#define EXT4_ACL_NOT_CACHED ((void *)-1)
/* acl.c */
-extern int ext4_permission (struct inode *, int);
-extern int ext4_acl_chmod (struct inode *);
-extern int ext4_init_acl (handle_t *, struct inode *, struct inode *);
+extern int ext4_permission(struct inode *, int);
+extern int ext4_acl_chmod(struct inode *);
+extern int ext4_init_acl(handle_t *, struct inode *, struct inode *);
#else /* CONFIG_EXT4DEV_FS_POSIX_ACL */
#include <linux/sched.h>
*/
group_blocks = ext4_blocks_count(sbi->s_es) -
le32_to_cpu(sbi->s_es->s_first_data_block) -
- (EXT4_BLOCKS_PER_GROUP(sb) * (sbi->s_groups_count -1));
+ (EXT4_BLOCKS_PER_GROUP(sb) * (sbi->s_groups_count - 1));
} else {
group_blocks = EXT4_BLOCKS_PER_GROUP(sb);
}
* @bh: pointer to the buffer head to store the block
* group descriptor
*/
-struct ext4_group_desc * ext4_get_group_desc(struct super_block * sb,
+struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb,
ext4_group_t block_group,
- struct buffer_head ** bh)
+ struct buffer_head **bh)
{
unsigned long group_desc;
unsigned long offset;
- struct ext4_group_desc * desc;
+ struct ext4_group_desc *desc;
struct ext4_sb_info *sbi = EXT4_SB(sb);
if (block_group >= sbi->s_groups_count) {
- ext4_error (sb, "ext4_get_group_desc",
- "block_group >= groups_count - "
- "block_group = %lu, groups_count = %lu",
- block_group, sbi->s_groups_count);
+ ext4_error(sb, "ext4_get_group_desc",
+ "block_group >= groups_count - "
+ "block_group = %lu, groups_count = %lu",
+ block_group, sbi->s_groups_count);
return NULL;
}
group_desc = block_group >> EXT4_DESC_PER_BLOCK_BITS(sb);
offset = block_group & (EXT4_DESC_PER_BLOCK(sb) - 1);
if (!sbi->s_group_desc[group_desc]) {
- ext4_error (sb, "ext4_get_group_desc",
- "Group descriptor not loaded - "
- "block_group = %lu, group_desc = %lu, desc = %lu",
- block_group, group_desc, offset);
+ ext4_error(sb, "ext4_get_group_desc",
+ "Group descriptor not loaded - "
+ "block_group = %lu, group_desc = %lu, desc = %lu",
+ block_group, group_desc, offset);
return NULL;
}
struct buffer_head *
ext4_read_block_bitmap(struct super_block *sb, ext4_group_t block_group)
{
- struct ext4_group_desc * desc;
- struct buffer_head * bh = NULL;
+ struct ext4_group_desc *desc;
+ struct buffer_head *bh = NULL;
ext4_fsblk_t bitmap_blk;
desc = ext4_get_group_desc(sb, block_group, NULL);
struct rb_node *node = &rsv->rsv_node;
ext4_fsblk_t start = rsv->rsv_start;
- struct rb_node ** p = &root->rb_node;
- struct rb_node * parent = NULL;
+ struct rb_node **p = &root->rb_node;
+ struct rb_node *parent = NULL;
struct ext4_reserve_window_node *this;
while (*p)
ext4_grpblk_t bit;
unsigned long i;
unsigned long overflow;
- struct ext4_group_desc * desc;
- struct ext4_super_block * es;
+ struct ext4_group_desc *desc;
+ struct ext4_super_block *es;
struct ext4_sb_info *sbi;
int err = 0, ret;
ext4_grpblk_t group_freed;
if (block < le32_to_cpu(es->s_first_data_block) ||
block + count < block ||
block + count > ext4_blocks_count(es)) {
- ext4_error (sb, "ext4_free_blocks",
- "Freeing blocks not in datazone - "
- "block = %llu, count = %lu", block, count);
+ ext4_error(sb, "ext4_free_blocks",
+ "Freeing blocks not in datazone - "
+ "block = %llu, count = %lu", block, count);
goto error_return;
}
- ext4_debug ("freeing block(s) %llu-%llu\n", block, block + count - 1);
+ ext4_debug("freeing block(s) %llu-%llu\n", block, block + count - 1);
do_more:
overflow = 0;
bitmap_bh = ext4_read_block_bitmap(sb, block_group);
if (!bitmap_bh)
goto error_return;
- desc = ext4_get_group_desc (sb, block_group, &gd_bh);
+ desc = ext4_get_group_desc(sb, block_group, &gd_bh);
if (!desc)
goto error_return;
in_range(block, ext4_inode_table(sb, desc), sbi->s_itb_per_group) ||
in_range(block + count - 1, ext4_inode_table(sb, desc),
sbi->s_itb_per_group)) {
- ext4_error (sb, "ext4_free_blocks",
- "Freeing blocks in system zones - "
- "Block = %llu, count = %lu",
- block, count);
+ ext4_error(sb, "ext4_free_blocks",
+ "Freeing blocks in system zones - "
+ "Block = %llu, count = %lu",
+ block, count);
goto error_return;
}
ext4_fsblk_t block, unsigned long count,
int metadata)
{
- struct super_block * sb;
+ struct super_block *sb;
unsigned long dquot_freed_blocks;
/* this isn't the right place to decide whether block is metadata
if (ext4_set_bit_atomic(lock, block, bh->b_data))
return 0;
jbd_lock_bh_state(bh);
- if (jh->b_committed_data && ext4_test_bit(block,jh->b_committed_data)) {
+ if (jh->b_committed_data && ext4_test_bit(block, jh->b_committed_data)) {
ext4_clear_bit_atomic(lock, block, bh->b_data);
ret = 0;
} else {
static int find_next_reservable_window(
struct ext4_reserve_window_node *search_head,
struct ext4_reserve_window_node *my_rsv,
- struct super_block * sb,
+ struct super_block *sb,
ext4_fsblk_t start_block,
ext4_fsblk_t last_block)
{
prev = rsv;
next = rb_next(&rsv->rsv_node);
- rsv = rb_entry(next,struct ext4_reserve_window_node,rsv_node);
+ rsv = rb_entry(next, struct ext4_reserve_window_node, rsv_node);
/*
* Reached the last reservation, we can just append to the
size = size * 2;
if (size > EXT4_MAX_RESERVE_BLOCKS)
size = EXT4_MAX_RESERVE_BLOCKS;
- my_rsv->rsv_goal_size= size;
+ my_rsv->rsv_goal_size = size;
}
}
ext4_try_to_allocate_with_rsv(struct super_block *sb, handle_t *handle,
ext4_group_t group, struct buffer_head *bitmap_bh,
ext4_grpblk_t grp_goal,
- struct ext4_reserve_window_node * my_rsv,
+ struct ext4_reserve_window_node *my_rsv,
unsigned long *count, int *errp)
{
ext4_fsblk_t group_first_block, group_last_block;
* or the file is not a regular file
* or last attempt to allocate a block with reservation turned on failed
*/
- if (my_rsv == NULL ) {
+ if (my_rsv == NULL) {
ret = ext4_try_to_allocate(sb, handle, group, bitmap_bh,
grp_goal, count, NULL);
goto out;
if (!EXT4_HAS_INCOMPAT_FEATURE(sb,EXT4_FEATURE_INCOMPAT_META_BG) ||
metagroup < first_meta_bg)
- return ext4_bg_num_gdb_nometa(sb,group);
+ return ext4_bg_num_gdb_nometa(sb, group);
return ext4_bg_num_gdb_meta(sb,group);
static const int nibblemap[] = {4, 3, 3, 2, 3, 2, 2, 1, 3, 2, 2, 1, 2, 1, 1, 0};
-unsigned long ext4_count_free (struct buffer_head * map, unsigned int numchars)
+unsigned long ext4_count_free(struct buffer_head *map, unsigned int numchars)
{
unsigned int i;
unsigned long sum = 0;
if (!map)
- return (0);
+ return 0;
for (i = 0; i < numchars; i++)
sum += nibblemap[map->b_data[i] & 0xf] +
nibblemap[(map->b_data[i] >> 4) & 0xf];
- return (sum);
+ return sum;
}
#endif /* EXT4FS_DEBUG */
};
static int ext4_readdir(struct file *, void *, filldir_t);
-static int ext4_dx_readdir(struct file * filp,
- void * dirent, filldir_t filldir);
-static int ext4_release_dir (struct inode * inode,
- struct file * filp);
+static int ext4_dx_readdir(struct file *filp,
+ void *dirent, filldir_t filldir);
+static int ext4_release_dir(struct inode *inode,
+ struct file *filp);
const struct file_operations ext4_dir_operations = {
.llseek = generic_file_llseek,
}
-int ext4_check_dir_entry (const char * function, struct inode * dir,
- struct ext4_dir_entry_2 * de,
- struct buffer_head * bh,
- unsigned long offset)
+int ext4_check_dir_entry(const char *function, struct inode *dir,
+ struct ext4_dir_entry_2 *de,
+ struct buffer_head *bh,
+ unsigned long offset)
{
- const char * error_msg = NULL;
+ const char *error_msg = NULL;
const int rlen = ext4_rec_len_from_disk(de->rec_len);
if (rlen < EXT4_DIR_REC_LEN(1))
error_msg = "inode out of bounds";
if (error_msg != NULL)
- ext4_error (dir->i_sb, function,
+ ext4_error(dir->i_sb, function,
"bad entry in directory #%lu: %s - "
"offset=%lu, inode=%lu, rec_len=%d, name_len=%d",
dir->i_ino, error_msg, offset,
return error_msg == NULL ? 1 : 0;
}
-static int ext4_readdir(struct file * filp,
- void * dirent, filldir_t filldir)
+static int ext4_readdir(struct file *filp,
+ void *dirent, filldir_t filldir)
{
int error = 0;
unsigned long offset;
* of recovering data when there's a bad sector
*/
if (!bh) {
- ext4_error (sb, "ext4_readdir",
+ ext4_error(sb, "ext4_readdir",
"directory #%lu contains a hole at offset %lu",
inode->i_ino, (unsigned long)filp->f_pos);
/* corrupt size? Maybe no more blocks to read */
while (!error && filp->f_pos < inode->i_size
&& offset < sb->s_blocksize) {
de = (struct ext4_dir_entry_2 *) (bh->b_data + offset);
- if (!ext4_check_dir_entry ("ext4_readdir", inode, de,
- bh, offset)) {
+ if (!ext4_check_dir_entry("ext4_readdir", inode, de,
+ bh, offset)) {
/*
* On error, skip the f_pos to the next block
*/
filp->f_pos = (filp->f_pos |
(sb->s_blocksize - 1)) + 1;
- brelse (bh);
+ brelse(bh);
ret = stored;
goto out;
}
break;
if (version != filp->f_version)
goto revalidate;
- stored ++;
+ stored++;
}
filp->f_pos += ext4_rec_len_from_disk(de->rec_len);
}
offset = 0;
- brelse (bh);
+ brelse(bh);
}
out:
return ret;
parent = rb_parent(n);
fname = rb_entry(n, struct fname, rb_hash);
while (fname) {
- struct fname * old = fname;
+ struct fname *old = fname;
fname = fname->next;
- kfree (old);
+ kfree(old);
}
if (!parent)
root->rb_node = NULL;
struct ext4_dir_entry_2 *dirent)
{
struct rb_node **p, *parent = NULL;
- struct fname * fname, *new_fn;
+ struct fname *fname, *new_fn;
struct dir_private_info *info;
int len;
* for all entres on the fname linked list. (Normally there is only
* one entry on the linked list, unless there are 62 bit hash collisions.)
*/
-static int call_filldir(struct file * filp, void * dirent,
+static int call_filldir(struct file *filp, void *dirent,
filldir_t filldir, struct fname *fname)
{
struct dir_private_info *info = filp->private_data;
loff_t curr_pos;
struct inode *inode = filp->f_path.dentry->d_inode;
- struct super_block * sb;
+ struct super_block *sb;
int error;
sb = inode->i_sb;
return 0;
}
-static int ext4_dx_readdir(struct file * filp,
- void * dirent, filldir_t filldir)
+static int ext4_dx_readdir(struct file *filp,
+ void *dirent, filldir_t filldir)
{
struct dir_private_info *info = filp->private_data;
struct inode *inode = filp->f_path.dentry->d_inode;
return 0;
}
-static int ext4_release_dir (struct inode * inode, struct file * filp)
+static int ext4_release_dir(struct inode *inode, struct file *filp)
{
if (filp->private_data)
ext4_htree_free_dir_info(filp->private_data);
#ifdef EXT4FS_DEBUG
#define ext4_debug(f, a...) \
do { \
- printk (KERN_DEBUG "EXT4-fs DEBUG (%s, %d): %s:", \
+ printk(KERN_DEBUG "EXT4-fs DEBUG (%s, %d): %s:", \
__FILE__, __LINE__, __func__); \
- printk (KERN_DEBUG f, ## a); \
+ printk(KERN_DEBUG f, ## a); \
} while (0)
#else
#define ext4_debug(f, a...) do {} while (0)
#else
# define EXT4_BLOCK_SIZE(s) (EXT4_MIN_BLOCK_SIZE << (s)->s_log_block_size)
#endif
-#define EXT4_ADDR_PER_BLOCK(s) (EXT4_BLOCK_SIZE(s) / sizeof (__u32))
+#define EXT4_ADDR_PER_BLOCK(s) (EXT4_BLOCK_SIZE(s) / sizeof(__u32))
#ifdef __KERNEL__
# define EXT4_BLOCK_SIZE_BITS(s) ((s)->s_blocksize_bits)
#else
#define EXT4_IOC_GETVERSION _IOR('f', 3, long)
#define EXT4_IOC_SETVERSION _IOW('f', 4, long)
#define EXT4_IOC_GROUP_EXTEND _IOW('f', 7, unsigned long)
-#define EXT4_IOC_GROUP_ADD _IOW('f', 8,struct ext4_new_group_input)
+#define EXT4_IOC_GROUP_ADD _IOW('f', 8, struct ext4_new_group_input)
#define EXT4_IOC_GETVERSION_OLD FS_IOC_GETVERSION
#define EXT4_IOC_SETVERSION_OLD FS_IOC_SETVERSION
#ifdef CONFIG_JBD2_DEBUG
};
#ifdef __KERNEL__
-static inline struct ext4_sb_info * EXT4_SB(struct super_block *sb)
+static inline struct ext4_sb_info *EXT4_SB(struct super_block *sb)
{
return sb->s_fs_info;
}
*/
#define EXT4_HAS_COMPAT_FEATURE(sb,mask) \
- ( EXT4_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask) )
+ (EXT4_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask))
#define EXT4_HAS_RO_COMPAT_FEATURE(sb,mask) \
- ( EXT4_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask) )
+ (EXT4_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask))
#define EXT4_HAS_INCOMPAT_FEATURE(sb,mask) \
- ( EXT4_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask) )
+ (EXT4_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask))
#define EXT4_SET_COMPAT_FEATURE(sb,mask) \
EXT4_SB(sb)->s_es->s_feature_compat |= cpu_to_le32(mask)
#define EXT4_SET_RO_COMPAT_FEATURE(sb,mask) \
ext4_fsblk_t goal, unsigned long *count, int *errp);
extern ext4_fsblk_t ext4_has_free_blocks(struct ext4_sb_info *sbi,
ext4_fsblk_t nblocks);
-extern void ext4_free_blocks (handle_t *handle, struct inode *inode,
+extern void ext4_free_blocks(handle_t *handle, struct inode *inode,
ext4_fsblk_t block, unsigned long count, int metadata);
-extern void ext4_free_blocks_sb (handle_t *handle, struct super_block *sb,
- ext4_fsblk_t block, unsigned long count,
+extern void ext4_free_blocks_sb(handle_t *handle, struct super_block *sb,
+ ext4_fsblk_t block, unsigned long count,
unsigned long *pdquot_freed_blocks);
-extern ext4_fsblk_t ext4_count_free_blocks (struct super_block *);
-extern void ext4_check_blocks_bitmap (struct super_block *);
+extern ext4_fsblk_t ext4_count_free_blocks(struct super_block *);
+extern void ext4_check_blocks_bitmap(struct super_block *);
extern struct ext4_group_desc * ext4_get_group_desc(struct super_block * sb,
ext4_group_t block_group,
struct buffer_head ** bh);
extern void ext4_htree_free_dir_info(struct dir_private_info *p);
/* fsync.c */
-extern int ext4_sync_file (struct file *, struct dentry *, int);
+extern int ext4_sync_file(struct file *, struct dentry *, int);
/* hash.c */
extern int ext4fs_dirhash(const char *name, int len, struct
dx_hash_info *hinfo);
/* ialloc.c */
-extern struct inode * ext4_new_inode (handle_t *, struct inode *, int);
-extern void ext4_free_inode (handle_t *, struct inode *);
-extern struct inode * ext4_orphan_get (struct super_block *, unsigned long);
-extern unsigned long ext4_count_free_inodes (struct super_block *);
-extern unsigned long ext4_count_dirs (struct super_block *);
-extern void ext4_check_inodes_bitmap (struct super_block *);
-extern unsigned long ext4_count_free (struct buffer_head *, unsigned);
+extern struct inode * ext4_new_inode(handle_t *, struct inode *, int);
+extern void ext4_free_inode(handle_t *, struct inode *);
+extern struct inode * ext4_orphan_get(struct super_block *, unsigned long);
+extern unsigned long ext4_count_free_inodes(struct super_block *);
+extern unsigned long ext4_count_dirs(struct super_block *);
+extern void ext4_check_inodes_bitmap(struct super_block *);
+extern unsigned long ext4_count_free(struct buffer_head *, unsigned);
/* mballoc.c */
extern long ext4_mb_stats;
int create, int extend_disksize);
extern struct inode *ext4_iget(struct super_block *, unsigned long);
-extern int ext4_write_inode (struct inode *, int);
-extern int ext4_setattr (struct dentry *, struct iattr *);
+extern int ext4_write_inode(struct inode *, int);
+extern int ext4_setattr(struct dentry *, struct iattr *);
extern int ext4_getattr(struct vfsmount *mnt, struct dentry *dentry,
struct kstat *stat);
-extern void ext4_delete_inode (struct inode *);
-extern int ext4_sync_inode (handle_t *, struct inode *);
-extern void ext4_discard_reservation (struct inode *);
+extern void ext4_delete_inode(struct inode *);
+extern int ext4_sync_inode(handle_t *, struct inode *);
+extern void ext4_discard_reservation(struct inode *);
extern void ext4_dirty_inode(struct inode *);
extern int ext4_change_inode_journal_flag(struct inode *, int);
extern int ext4_get_inode_loc(struct inode *, struct ext4_iloc *);
extern int ext4_can_truncate(struct inode *inode);
-extern void ext4_truncate (struct inode *);
+extern void ext4_truncate(struct inode *);
extern void ext4_set_inode_flags(struct inode *);
extern void ext4_get_inode_flags(struct ext4_inode_info *);
extern void ext4_set_aops(struct inode *inode);
/* ioctl.c */
extern long ext4_ioctl(struct file *, unsigned int, unsigned long);
-extern long ext4_compat_ioctl (struct file *, unsigned int, unsigned long);
+extern long ext4_compat_ioctl(struct file *, unsigned int, unsigned long);
/* migrate.c */
extern int ext4_ext_migrate(struct inode *, struct file *, unsigned int,
ext4_fsblk_t n_blocks_count);
/* super.c */
-extern void ext4_error (struct super_block *, const char *, const char *, ...)
+extern void ext4_error(struct super_block *, const char *, const char *, ...)
__attribute__ ((format (printf, 3, 4)));
-extern void __ext4_std_error (struct super_block *, const char *, int);
-extern void ext4_abort (struct super_block *, const char *, const char *, ...)
+extern void __ext4_std_error(struct super_block *, const char *, int);
+extern void ext4_abort(struct super_block *, const char *, const char *, ...)
__attribute__ ((format (printf, 3, 4)));
-extern void ext4_warning (struct super_block *, const char *, const char *, ...)
+extern void ext4_warning(struct super_block *, const char *, const char *, ...)
__attribute__ ((format (printf, 3, 4)));
-extern void ext4_update_dynamic_rev (struct super_block *sb);
+extern void ext4_update_dynamic_rev(struct super_block *sb);
extern int ext4_update_compat_feature(handle_t *handle, struct super_block *sb,
__u32 compat);
extern int ext4_update_rocompat_feature(handle_t *handle,
static inline
struct ext4_group_info *ext4_get_group_info(struct super_block *sb,
- ext4_group_t group)
+ ext4_group_t group)
{
struct ext4_group_info ***grp_info;
long indexv, indexh;
unsigned long s_blocks_last; /* Last seen block count */
loff_t s_bitmap_maxbytes; /* max bytes for bitmap files */
struct buffer_head * s_sbh; /* Buffer containing the super block */
- struct ext4_super_block * s_es; /* Pointer to the super block in the buffer */
- struct buffer_head ** s_group_desc;
+ struct ext4_super_block *s_es; /* Pointer to the super block in the buffer */
+ struct buffer_head **s_group_desc;
unsigned long s_mount_opt;
ext4_fsblk_t s_sb_block;
uid_t s_resuid;
struct ext4_reserve_window_node s_rsv_window_head;
/* Journaling */
- struct inode * s_journal_inode;
- struct journal_s * s_journal;
+ struct inode *s_journal_inode;
+ struct journal_s *s_journal;
struct list_head s_orphan;
unsigned long s_commit_interval;
struct block_device *journal_bdev;
ext_debug("\n");
}
#else
-#define ext4_ext_show_path(inode,path)
-#define ext4_ext_show_leaf(inode,path)
+#define ext4_ext_show_path(inode, path)
+#define ext4_ext_show_leaf(inode, path)
#endif
void ext4_ext_drop_refs(struct ext4_ext_path *path)
struct ext4_ext_path *path,
struct ext4_extent *newext)
{
- struct ext4_extent_header * eh;
+ struct ext4_extent_header *eh;
struct ext4_extent *ex, *fex;
struct ext4_extent *nearex; /* nearest extent */
struct ext4_ext_path *npath = NULL;
* from ext4_file_open: open gets called at every open, but release
* gets called only when /all/ the files are closed.
*/
-static int ext4_release_file (struct inode * inode, struct file * filp)
+static int ext4_release_file(struct inode *inode, struct file *filp)
{
/* if we are the last writer on the inode, drop the block reservation */
if ((filp->f_mode & FMODE_WRITE) &&
* inode to disk.
*/
-int ext4_sync_file(struct file * file, struct dentry *dentry, int datasync)
+int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
{
struct inode *inode = dentry->d_inode;
journal_t *journal = EXT4_SB(inode->i_sb)->s_journal;
sum += DELTA;
b0 += ((b1 << 4)+a) ^ (b1+sum) ^ ((b1 >> 5)+b);
b1 += ((b0 << 4)+c) ^ (b0+sum) ^ ((b0 >> 5)+d);
- } while(--n);
+ } while (--n);
buf[0] += b0;
buf[1] += b1;
/* The old legacy hash */
-static __u32 dx_hack_hash (const char *name, int len)
+static __u32 dx_hack_hash(const char *name, int len)
{
__u32 hash0 = 0x12a3fe2d, hash1 = 0x37abe8f9;
while (len--) {
val = pad;
if (len > num*4)
len = num * 4;
- for (i=0; i < len; i++) {
+ for (i = 0; i < len; i++) {
if ((i % 4) == 0)
val = pad;
val = msg[i] + (val << 8);
/* Check to see if the seed is all zero's */
if (hinfo->seed) {
- for (i=0; i < 4; i++) {
+ for (i = 0; i < 4; i++) {
if (hinfo->seed[i])
break;
}
* though), and then we'd have two inodes sharing the
* same inode number and space on the harddisk.
*/
-void ext4_free_inode (handle_t *handle, struct inode * inode)
+void ext4_free_inode(handle_t *handle, struct inode *inode)
{
- struct super_block * sb = inode->i_sb;
+ struct super_block *sb = inode->i_sb;
int is_directory;
unsigned long ino;
struct buffer_head *bitmap_bh = NULL;
struct buffer_head *bh2;
ext4_group_t block_group;
unsigned long bit;
- struct ext4_group_desc * gdp;
- struct ext4_super_block * es;
+ struct ext4_group_desc *gdp;
+ struct ext4_super_block *es;
struct ext4_sb_info *sbi;
int fatal = 0, err;
ext4_group_t flex_group;
sbi = EXT4_SB(sb);
ino = inode->i_ino;
- ext4_debug ("freeing inode %lu\n", ino);
+ ext4_debug("freeing inode %lu\n", ino);
/*
* Note: we must free any quota before locking the superblock,
is_directory = S_ISDIR(inode->i_mode);
/* Do this BEFORE marking the inode not in use or returning an error */
- clear_inode (inode);
+ clear_inode(inode);
es = EXT4_SB(sb)->s_es;
if (ino < EXT4_FIRST_INO(sb) || ino > le32_to_cpu(es->s_inodes_count)) {
- ext4_error (sb, "ext4_free_inode",
- "reserved or nonexistent inode %lu", ino);
+ ext4_error(sb, "ext4_free_inode",
+ "reserved or nonexistent inode %lu", ino);
goto error_return;
}
block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb);
/* Ok, now we can actually update the inode bitmaps.. */
if (!ext4_clear_bit_atomic(sb_bgl_lock(sbi, block_group),
bit, bitmap_bh->b_data))
- ext4_error (sb, "ext4_free_inode",
- "bit already cleared for inode %lu", ino);
+ ext4_error(sb, "ext4_free_inode",
+ "bit already cleared for inode %lu", ino);
else {
- gdp = ext4_get_group_desc (sb, block_group, &bh2);
+ gdp = ext4_get_group_desc(sb, block_group, &bh2);
BUFFER_TRACE(bh2, "get_write_access");
fatal = ext4_journal_get_write_access(handle, bh2);
avefreei = freei / ngroups;
for (group = 0; group < ngroups; group++) {
- desc = ext4_get_group_desc (sb, group, NULL);
+ desc = ext4_get_group_desc(sb, group, NULL);
if (!desc || !desc->bg_free_inodes_count)
continue;
if (le16_to_cpu(desc->bg_free_inodes_count) < avefreei)
* For other inodes, search forward from the parent directory's block
* group to find a free inode.
*/
-struct inode *ext4_new_inode(handle_t *handle, struct inode * dir, int mode)
+struct inode *ext4_new_inode(handle_t *handle, struct inode *dir, int mode)
{
struct super_block *sb;
struct buffer_head *bitmap_bh = NULL;
struct buffer_head *bh2;
ext4_group_t group = 0;
unsigned long ino = 0;
- struct inode * inode;
- struct ext4_group_desc * gdp = NULL;
- struct ext4_super_block * es;
+ struct inode *inode;
+ struct ext4_group_desc *gdp = NULL;
+ struct ext4_super_block *es;
struct ext4_inode_info *ei;
struct ext4_sb_info *sbi;
int ret2, err = 0;
}
if (S_ISDIR(mode)) {
- if (test_opt (sb, OLDALLOC))
+ if (test_opt(sb, OLDALLOC))
ret2 = find_group_dir(sb, dir, &group);
else
ret2 = find_group_orlov(sb, dir, &group);
}
inode->i_uid = current->fsuid;
- if (test_opt (sb, GRPID))
+ if (test_opt(sb, GRPID))
inode->i_gid = dir->i_gid;
else if (dir->i_mode & S_ISGID) {
inode->i_gid = dir->i_gid;
ei->i_extra_isize = EXT4_SB(sb)->s_want_extra_isize;
ret = inode;
- if(DQUOT_ALLOC_INODE(inode)) {
+ if (DQUOT_ALLOC_INODE(inode)) {
err = -EDQUOT;
goto fail_drop;
}
if (err)
goto fail_free_drop;
- err = ext4_init_security(handle,inode, dir);
+ err = ext4_init_security(handle, inode, dir);
if (err)
goto fail_free_drop;
return ERR_PTR(err);
}
-unsigned long ext4_count_free_inodes (struct super_block * sb)
+unsigned long ext4_count_free_inodes(struct super_block *sb)
{
unsigned long desc_count;
struct ext4_group_desc *gdp;
bitmap_count = 0;
gdp = NULL;
for (i = 0; i < EXT4_SB(sb)->s_groups_count; i++) {
- gdp = ext4_get_group_desc (sb, i, NULL);
+ gdp = ext4_get_group_desc(sb, i, NULL);
if (!gdp)
continue;
desc_count += le16_to_cpu(gdp->bg_free_inodes_count);
#else
desc_count = 0;
for (i = 0; i < EXT4_SB(sb)->s_groups_count; i++) {
- gdp = ext4_get_group_desc (sb, i, NULL);
+ gdp = ext4_get_group_desc(sb, i, NULL);
if (!gdp)
continue;
desc_count += le16_to_cpu(gdp->bg_free_inodes_count);
}
/* Called at mount-time, super-block is locked */
-unsigned long ext4_count_dirs (struct super_block * sb)
+unsigned long ext4_count_dirs(struct super_block * sb)
{
unsigned long count = 0;
ext4_group_t i;
for (i = 0; i < EXT4_SB(sb)->s_groups_count; i++) {
- struct ext4_group_desc *gdp = ext4_get_group_desc (sb, i, NULL);
+ struct ext4_group_desc *gdp = ext4_get_group_desc(sb, i, NULL);
if (!gdp)
continue;
count += le16_to_cpu(gdp->bg_used_dirs_count);
/*
* Called at the last iput() if i_nlink is zero.
*/
-void ext4_delete_inode (struct inode * inode)
+void ext4_delete_inode(struct inode *inode)
{
handle_t *handle;
int err;
int final = 0;
if (i_block < 0) {
- ext4_warning (inode->i_sb, "ext4_block_to_path", "block < 0");
+ ext4_warning(inode->i_sb, "ext4_block_to_path", "block < 0");
} else if (i_block < direct_blocks) {
offsets[n++] = i_block;
final = direct_blocks;
- } else if ( (i_block -= direct_blocks) < indirect_blocks) {
+ } else if ((i_block -= direct_blocks) < indirect_blocks) {
offsets[n++] = EXT4_IND_BLOCK;
offsets[n++] = i_block;
final = ptrs;
*err = 0;
/* i_data is not going away, no lock needed */
- add_chain (chain, NULL, EXT4_I(inode)->i_data + *offsets);
+ add_chain(chain, NULL, EXT4_I(inode)->i_data + *offsets);
if (!p->key)
goto no_block;
while (--depth) {
bh = sb_bread(sb, le32_to_cpu(p->key));
if (!bh)
goto failure;
- add_chain(++p, bh, (__le32*)bh->b_data + *++offsets);
+ add_chain(++p, bh, (__le32 *)bh->b_data + *++offsets);
/* Reader: end */
if (!p->key)
goto no_block;
static ext4_fsblk_t ext4_find_near(struct inode *inode, Indirect *ind)
{
struct ext4_inode_info *ei = EXT4_I(inode);
- __le32 *start = ind->bh ? (__le32*) ind->bh->b_data : ei->i_data;
+ __le32 *start = ind->bh ? (__le32 *) ind->bh->b_data : ei->i_data;
__le32 *p;
ext4_fsblk_t bg_start;
ext4_fsblk_t last_block;
*err = 0;
return ret;
failed_out:
- for (i = 0; i <index; i++)
+ for (i = 0; i < index; i++)
ext4_free_blocks(handle, inode, new_blocks[i], 1, 0);
return ret;
}
branch[n].p = (__le32 *) bh->b_data + offsets[n];
branch[n].key = cpu_to_le32(new_blocks[n]);
*branch[n].p = branch[n].key;
- if ( n == indirect_blks) {
+ if (n == indirect_blks) {
current_block = new_blocks[n];
/*
* End of chain, update the last new metablock of
BUFFER_TRACE(branch[i].bh, "call jbd2_journal_forget");
ext4_journal_forget(handle, branch[i].bh);
}
- for (i = 0; i <indirect_blks; i++)
+ for (i = 0; i < indirect_blks; i++)
ext4_free_blocks(handle, inode, new_blocks[i], 1, 0);
ext4_free_blocks(handle, inode, new_blocks[i], num, 0);
if (num == 0 && blks > 1) {
current_block = le32_to_cpu(where->key) + 1;
for (i = 1; i < blks; i++)
- *(where->p + i ) = cpu_to_le32(current_block++);
+ *(where->p + i) = cpu_to_le32(current_block++);
}
/*
BUFFER_TRACE(bh, "call get_create_access");
fatal = ext4_journal_get_create_access(handle, bh);
if (!fatal && !buffer_uptodate(bh)) {
- memset(bh->b_data,0,inode->i_sb->s_blocksize);
+ memset(bh->b_data, 0, inode->i_sb->s_blocksize);
set_buffer_uptodate(bh);
}
unlock_buffer(bh);
struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode,
ext4_lblk_t block, int create, int *err)
{
- struct buffer_head * bh;
+ struct buffer_head *bh;
bh = ext4_getblk(handle, inode, block, create, err);
if (!bh)
return NULL;
}
-static int walk_page_buffers( handle_t *handle,
- struct buffer_head *head,
- unsigned from,
- unsigned to,
- int *partial,
- int (*fn)( handle_t *handle,
- struct buffer_head *bh))
+static int walk_page_buffers(handle_t *handle,
+ struct buffer_head *head,
+ unsigned from,
+ unsigned to,
+ int *partial,
+ int (*fn)(handle_t *handle,
+ struct buffer_head *bh))
{
struct buffer_head *bh;
unsigned block_start, block_end;
int err, ret = 0;
struct buffer_head *next;
- for ( bh = head, block_start = 0;
- ret == 0 && (bh != head || !block_start);
- block_start = block_end, bh = next)
+ for (bh = head, block_start = 0;
+ ret == 0 && (bh != head || !block_start);
+ block_start = block_end, bh = next)
{
next = bh->b_this_page;
block_end = block_start + blocksize;
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
- struct inode *inode = mapping->host;
+ struct inode *inode = mapping->host;
int ret, needed_blocks = ext4_writepage_trans_blocks(inode);
handle_t *handle;
int retries = 0;
- struct page *page;
+ struct page *page;
pgoff_t index;
- unsigned from, to;
+ unsigned from, to;
index = pos >> PAGE_CACHE_SHIFT;
- from = pos & (PAGE_CACHE_SIZE - 1);
- to = from + len;
+ from = pos & (PAGE_CACHE_SIZE - 1);
+ to = from + len;
retry:
- handle = ext4_journal_start(inode, needed_blocks);
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
- goto out;
+ handle = ext4_journal_start(inode, needed_blocks);
+ if (IS_ERR(handle)) {
+ ret = PTR_ERR(handle);
+ goto out;
}
page = __grab_cache_page(mapping, index);
}
if (ret) {
- unlock_page(page);
+ unlock_page(page);
ext4_journal_stop(handle);
- page_cache_release(page);
+ page_cache_release(page);
}
if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries))
bh = page_buffers(page);
idx = offset >> inode->i_blkbits;
- for (i=0; i < idx; i++)
+ for (i = 0; i < idx; i++)
bh = bh->b_this_page;
if (!buffer_mapped(bh) || (buffer_delay(bh)))
unsigned long start, end;
start = pos & (PAGE_CACHE_SIZE - 1);
- end = start + copied -1;
+ end = start + copied - 1;
/*
* generic_write_end() will run mark_inode_dirty() if i_size
return 0;
}
- return generic_block_bmap(mapping,block,ext4_get_block);
+ return generic_block_bmap(mapping, block, ext4_get_block);
}
static int bget_one(handle_t *handle, struct buffer_head *bh)
if (!partial->key && *partial->p)
/* Writer: end */
goto no_top;
- for (p=partial; p>chain && all_zeroes((__le32*)p->bh->b_data,p->p); p--)
+ for (p = partial; (p > chain) && all_zeroes((__le32 *) p->bh->b_data, p->p); p--)
;
/*
* OK, we've found the last block that must survive. The rest of our
}
/* Writer: end */
- while(partial > p) {
+ while (partial > p) {
brelse(partial->bh);
partial--;
}
/* This zaps the entire block. Bottom up. */
BUFFER_TRACE(bh, "free child branches");
ext4_free_branches(handle, inode, bh,
- (__le32*)bh->b_data,
- (__le32*)bh->b_data + addr_per_block,
- depth);
+ (__le32 *) bh->b_data,
+ (__le32 *) bh->b_data + addr_per_block,
+ depth);
/*
* We've probably journalled the indirect block several
inode->i_mode = le16_to_cpu(raw_inode->i_mode);
inode->i_uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
inode->i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
- if(!(test_opt (inode->i_sb, NO_UID32))) {
+ if (!(test_opt(inode->i_sb, NO_UID32))) {
inode->i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
inode->i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
}
if (inode->i_mode == 0 ||
!(EXT4_SB(inode->i_sb)->s_mount_state & EXT4_ORPHAN_FS)) {
/* this inode is deleted */
- brelse (bh);
+ brelse(bh);
ret = -ESTALE;
goto bad_inode;
}
ei->i_extra_isize = le16_to_cpu(raw_inode->i_extra_isize);
if (EXT4_GOOD_OLD_INODE_SIZE + ei->i_extra_isize >
EXT4_INODE_SIZE(inode->i_sb)) {
- brelse (bh);
+ brelse(bh);
ret = -EIO;
goto bad_inode;
}
init_special_inode(inode, inode->i_mode,
new_decode_dev(le32_to_cpu(raw_inode->i_block[1])));
}
- brelse (iloc.bh);
+ brelse(iloc.bh);
ext4_set_inode_flags(inode);
unlock_new_inode(inode);
return inode;
ext4_get_inode_flags(ei);
raw_inode->i_mode = cpu_to_le16(inode->i_mode);
- if(!(test_opt(inode->i_sb, NO_UID32))) {
+ if (!(test_opt(inode->i_sb, NO_UID32))) {
raw_inode->i_uid_low = cpu_to_le16(low_16_bits(inode->i_uid));
raw_inode->i_gid_low = cpu_to_le16(low_16_bits(inode->i_gid));
/*
* Fix up interoperability with old kernels. Otherwise, old inodes get
* re-used with the upper 16 bits of the uid/gid intact
*/
- if(!ei->i_dtime) {
+ if (!ei->i_dtime) {
raw_inode->i_uid_high =
cpu_to_le16(high_16_bits(inode->i_uid));
raw_inode->i_gid_high =
ei->i_state &= ~EXT4_STATE_NEW;
out_brelse:
- brelse (bh);
+ brelse(bh);
ext4_std_error(inode->i_sb, err);
return err;
}
unsigned int flags;
unsigned short rsv_window_size;
- ext4_debug ("cmd = %u, arg = %lu\n", cmd, arg);
+ ext4_debug("cmd = %u, arg = %lu\n", cmd, arg);
switch (cmd) {
case EXT4_IOC_GETFLAGS:
case EXT4_IOC_SETRSVSZ: {
int err;
- if (!test_opt(inode->i_sb, RESERVATION) ||!S_ISREG(inode->i_mode))
+ if (!test_opt(inode->i_sb, RESERVATION) || !S_ISREG(inode->i_mode))
return -ENOTTY;
if (!is_owner_or_cap(inode))
static inline ext4_lblk_t dx_get_block(struct dx_entry *entry);
static void dx_set_block(struct dx_entry *entry, ext4_lblk_t value);
-static inline unsigned dx_get_hash (struct dx_entry *entry);
-static void dx_set_hash (struct dx_entry *entry, unsigned value);
-static unsigned dx_get_count (struct dx_entry *entries);
-static unsigned dx_get_limit (struct dx_entry *entries);
-static void dx_set_count (struct dx_entry *entries, unsigned value);
-static void dx_set_limit (struct dx_entry *entries, unsigned value);
-static unsigned dx_root_limit (struct inode *dir, unsigned infosize);
-static unsigned dx_node_limit (struct inode *dir);
+static inline unsigned dx_get_hash(struct dx_entry *entry);
+static void dx_set_hash(struct dx_entry *entry, unsigned value);
+static unsigned dx_get_count(struct dx_entry *entries);
+static unsigned dx_get_limit(struct dx_entry *entries);
+static void dx_set_count(struct dx_entry *entries, unsigned value);
+static void dx_set_limit(struct dx_entry *entries, unsigned value);
+static unsigned dx_root_limit(struct inode *dir, unsigned infosize);
+static unsigned dx_node_limit(struct inode *dir);
static struct dx_frame *dx_probe(struct dentry *dentry,
struct inode *dir,
struct dx_hash_info *hinfo,
struct dx_frame *frame,
int *err);
-static void dx_release (struct dx_frame *frames);
-static int dx_make_map (struct ext4_dir_entry_2 *de, int size,
- struct dx_hash_info *hinfo, struct dx_map_entry map[]);
+static void dx_release(struct dx_frame *frames);
+static int dx_make_map(struct ext4_dir_entry_2 *de, int size,
+ struct dx_hash_info *hinfo, struct dx_map_entry map[]);
static void dx_sort_map(struct dx_map_entry *map, unsigned count);
-static struct ext4_dir_entry_2 *dx_move_dirents (char *from, char *to,
+static struct ext4_dir_entry_2 *dx_move_dirents(char *from, char *to,
struct dx_map_entry *offsets, int count);
-static struct ext4_dir_entry_2* dx_pack_dirents (char *base, int size);
+static struct ext4_dir_entry_2* dx_pack_dirents(char *base, int size);
static void dx_insert_block(struct dx_frame *frame,
u32 hash, ext4_lblk_t block);
static int ext4_htree_next_block(struct inode *dir, __u32 hash,
entry->block = cpu_to_le32(value);
}
-static inline unsigned dx_get_hash (struct dx_entry *entry)
+static inline unsigned dx_get_hash(struct dx_entry *entry)
{
return le32_to_cpu(entry->hash);
}
-static inline void dx_set_hash (struct dx_entry *entry, unsigned value)
+static inline void dx_set_hash(struct dx_entry *entry, unsigned value)
{
entry->hash = cpu_to_le32(value);
}
-static inline unsigned dx_get_count (struct dx_entry *entries)
+static inline unsigned dx_get_count(struct dx_entry *entries)
{
return le16_to_cpu(((struct dx_countlimit *) entries)->count);
}
-static inline unsigned dx_get_limit (struct dx_entry *entries)
+static inline unsigned dx_get_limit(struct dx_entry *entries)
{
return le16_to_cpu(((struct dx_countlimit *) entries)->limit);
}
-static inline void dx_set_count (struct dx_entry *entries, unsigned value)
+static inline void dx_set_count(struct dx_entry *entries, unsigned value)
{
((struct dx_countlimit *) entries)->count = cpu_to_le16(value);
}
-static inline void dx_set_limit (struct dx_entry *entries, unsigned value)
+static inline void dx_set_limit(struct dx_entry *entries, unsigned value)
{
((struct dx_countlimit *) entries)->limit = cpu_to_le16(value);
}
-static inline unsigned dx_root_limit (struct inode *dir, unsigned infosize)
+static inline unsigned dx_root_limit(struct inode *dir, unsigned infosize)
{
unsigned entry_space = dir->i_sb->s_blocksize - EXT4_DIR_REC_LEN(1) -
EXT4_DIR_REC_LEN(2) - infosize;
return entry_space / sizeof(struct dx_entry);
}
-static inline unsigned dx_node_limit (struct inode *dir)
+static inline unsigned dx_node_limit(struct inode *dir)
{
unsigned entry_space = dir->i_sb->s_blocksize - EXT4_DIR_REC_LEN(0);
return entry_space / sizeof(struct dx_entry);
struct dx_entry *entries, int levels)
{
unsigned blocksize = dir->i_sb->s_blocksize;
- unsigned count = dx_get_count (entries), names = 0, space = 0, i;
+ unsigned count = dx_get_count(entries), names = 0, space = 0, i;
unsigned bcount = 0;
struct buffer_head *bh;
int err;
names += stats.names;
space += stats.space;
bcount += stats.bcount;
- brelse (bh);
+ brelse(bh);
}
if (bcount)
printk(KERN_DEBUG "%snames %u, fullness %u (%u%%)\n",
goto fail;
}
- dxtrace (printk("Look up %x", hash));
+ dxtrace(printk("Look up %x", hash));
while (1)
{
count = dx_get_count(entries);
0, &err)))
return err; /* Failure */
p++;
- brelse (p->bh);
+ brelse(p->bh);
p->bh = bh;
p->at = p->entries = ((struct dx_node *) bh->b_data)->entries;
}
/* On error, skip the f_pos to the next block. */
dir_file->f_pos = (dir_file->f_pos |
(dir->i_sb->s_blocksize - 1)) + 1;
- brelse (bh);
+ brelse(bh);
return count;
}
ext4fs_dirhash(de->name, de->name_len, hinfo);
/*
* Returns 0 if not found, -1 on failure, and 1 on success
*/
-static inline int search_dirblock(struct buffer_head * bh,
+static inline int search_dirblock(struct buffer_head *bh,
struct inode *dir,
struct dentry *dentry,
unsigned long offset,
static struct buffer_head * ext4_find_entry (struct dentry *dentry,
struct ext4_dir_entry_2 ** res_dir)
{
- struct super_block * sb;
- struct buffer_head * bh_use[NAMEI_RA_SIZE];
- struct buffer_head * bh, *ret = NULL;
+ struct super_block *sb;
+ struct buffer_head *bh_use[NAMEI_RA_SIZE];
+ struct buffer_head *bh, *ret = NULL;
ext4_lblk_t start, block, b;
int ra_max = 0; /* Number of bh's in the readahead
buffer, bh_use[] */
cleanup_and_exit:
/* Clean up the read-ahead blocks */
for (; ra_ptr < ra_max; ra_ptr++)
- brelse (bh_use[ra_ptr]);
+ brelse(bh_use[ra_ptr]);
return ret;
}
return bh;
}
}
- brelse (bh);
+ brelse(bh);
/* Check to see if we should continue to search */
retval = ext4_htree_next_block(dir, hash, frame,
frames, NULL);
return NULL;
}
-static struct dentry *ext4_lookup(struct inode * dir, struct dentry *dentry, struct nameidata *nd)
+static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
{
- struct inode * inode;
- struct ext4_dir_entry_2 * de;
- struct buffer_head * bh;
+ struct inode *inode;
+ struct ext4_dir_entry_2 *de;
+ struct buffer_head *bh;
if (dentry->d_name.len > EXT4_NAME_LEN)
return ERR_PTR(-ENAMETOOLONG);
inode = NULL;
if (bh) {
unsigned long ino = le32_to_cpu(de->inode);
- brelse (bh);
+ brelse(bh);
if (!ext4_valid_inum(dir->i_sb, ino)) {
ext4_error(dir->i_sb, "ext4_lookup",
"bad inode number: %lu", ino);
/* create map in the end of data2 block */
map = (struct dx_map_entry *) (data2 + blocksize);
- count = dx_make_map ((struct ext4_dir_entry_2 *) data1,
+ count = dx_make_map((struct ext4_dir_entry_2 *) data1,
blocksize, hinfo, map);
map -= count;
- dx_sort_map (map, count);
+ dx_sort_map(map, count);
/* Split the existing block in the middle, size-wise */
size = 0;
move = 0;
/* Fancy dance to stay within two buffers */
de2 = dx_move_dirents(data1, data2, map + split, count - split);
- de = dx_pack_dirents(data1,blocksize);
+ de = dx_pack_dirents(data1, blocksize);
de->rec_len = ext4_rec_len_to_disk(data1 + blocksize - (char *) de);
de2->rec_len = ext4_rec_len_to_disk(data2 + blocksize - (char *) de2);
dxtrace(dx_show_leaf (hinfo, (struct ext4_dir_entry_2 *) data1, blocksize, 1));
swap(*bh, bh2);
de = de2;
}
- dx_insert_block (frame, hash2 + continued, newblock);
- err = ext4_journal_dirty_metadata (handle, bh2);
+ dx_insert_block(frame, hash2 + continued, newblock);
+ err = ext4_journal_dirty_metadata(handle, bh2);
if (err)
goto journal_error;
- err = ext4_journal_dirty_metadata (handle, frame->bh);
+ err = ext4_journal_dirty_metadata(handle, frame->bh);
if (err)
goto journal_error;
- brelse (bh2);
- dxtrace(dx_show_index ("frame", frame->entries));
+ brelse(bh2);
+ dxtrace(dx_show_index("frame", frame->entries));
return de;
journal_error:
*/
static int add_dirent_to_buf(handle_t *handle, struct dentry *dentry,
struct inode *inode, struct ext4_dir_entry_2 *de,
- struct buffer_head * bh)
+ struct buffer_head *bh)
{
struct inode *dir = dentry->d_parent->d_inode;
const char *name = dentry->d_name.name;
while ((char *) de <= top) {
if (!ext4_check_dir_entry("ext4_add_entry", dir, de,
bh, offset)) {
- brelse (bh);
+ brelse(bh);
return -EIO;
}
- if (ext4_match (namelen, name, de)) {
- brelse (bh);
+ if (ext4_match(namelen, name, de)) {
+ brelse(bh);
return -EEXIST;
}
nlen = EXT4_DIR_REC_LEN(de->name_len);
} else
de->inode = 0;
de->name_len = namelen;
- memcpy (de->name, name, namelen);
+ memcpy(de->name, name, namelen);
/*
* XXX shouldn't update any times until successful
* completion of syscall, but too many callers depend
}
root = (struct dx_root *) bh->b_data;
- bh2 = ext4_append (handle, dir, &block, &retval);
+ bh2 = ext4_append(handle, dir, &block, &retval);
if (!(bh2)) {
brelse(bh);
return retval;
root->info.info_length = sizeof(root->info);
root->info.hash_version = EXT4_SB(dir->i_sb)->s_def_hash_version;
entries = root->entries;
- dx_set_block (entries, 1);
- dx_set_count (entries, 1);
- dx_set_limit (entries, dx_root_limit(dir, sizeof(root->info)));
+ dx_set_block(entries, 1);
+ dx_set_count(entries, 1);
+ dx_set_limit(entries, dx_root_limit(dir, sizeof(root->info)));
/* Initialize as for dx_probe */
hinfo.hash_version = root->info.hash_version;
* may not sleep between calling this and putting something into
* the entry, as someone else might have used it while you slept.
*/
-static int ext4_add_entry (handle_t *handle, struct dentry *dentry,
- struct inode *inode)
+static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
+ struct inode *inode)
{
struct inode *dir = dentry->d_parent->d_inode;
unsigned long offset;
- struct buffer_head * bh;
+ struct buffer_head *bh;
struct ext4_dir_entry_2 *de;
- struct super_block * sb;
+ struct super_block *sb;
int retval;
int dx_fallback=0;
unsigned blocksize;
struct dx_frame frames[2], *frame;
struct dx_entry *entries, *at;
struct dx_hash_info hinfo;
- struct buffer_head * bh;
+ struct buffer_head *bh;
struct inode *dir = dentry->d_parent->d_inode;
- struct super_block * sb = dir->i_sb;
+ struct super_block *sb = dir->i_sb;
struct ext4_dir_entry_2 *de;
int err;
if (err)
goto journal_error;
- memcpy ((char *) entries2, (char *) (entries + icount1),
- icount2 * sizeof(struct dx_entry));
- dx_set_count (entries, icount1);
- dx_set_count (entries2, icount2);
- dx_set_limit (entries2, dx_node_limit(dir));
+ memcpy((char *) entries2, (char *) (entries + icount1),
+ icount2 * sizeof(struct dx_entry));
+ dx_set_count(entries, icount1);
+ dx_set_count(entries2, icount2);
+ dx_set_limit(entries2, dx_node_limit(dir));
/* Which index block gets the new entry? */
if (at - entries >= icount1) {
frame->entries = entries = entries2;
swap(frame->bh, bh2);
}
- dx_insert_block (frames + 0, hash2, newblock);
- dxtrace(dx_show_index ("node", frames[1].entries));
- dxtrace(dx_show_index ("node",
+ dx_insert_block(frames + 0, hash2, newblock);
+ dxtrace(dx_show_index("node", frames[1].entries));
+ dxtrace(dx_show_index("node",
((struct dx_node *) bh2->b_data)->entries));
err = ext4_journal_dirty_metadata(handle, bh2);
if (err)
* ext4_delete_entry deletes a directory entry by merging it with the
* previous entry
*/
-static int ext4_delete_entry (handle_t *handle,
- struct inode * dir,
- struct ext4_dir_entry_2 * de_del,
- struct buffer_head * bh)
+static int ext4_delete_entry(handle_t *handle,
+ struct inode *dir,
+ struct ext4_dir_entry_2 *de_del,
+ struct buffer_head *bh)
{
- struct ext4_dir_entry_2 * de, * pde;
+ struct ext4_dir_entry_2 *de, *pde;
int i;
i = 0;
* If the create succeeds, we fill in the inode information
* with d_instantiate().
*/
-static int ext4_create (struct inode * dir, struct dentry * dentry, int mode,
- struct nameidata *nd)
+static int ext4_create(struct inode *dir, struct dentry *dentry, int mode,
+ struct nameidata *nd)
{
handle_t *handle;
- struct inode * inode;
+ struct inode *inode;
int err, retries = 0;
retry:
return err;
}
-static int ext4_mknod (struct inode * dir, struct dentry *dentry,
- int mode, dev_t rdev)
+static int ext4_mknod(struct inode *dir, struct dentry *dentry,
+ int mode, dev_t rdev)
{
handle_t *handle;
struct inode *inode;
if (IS_DIRSYNC(dir))
handle->h_sync = 1;
- inode = ext4_new_inode (handle, dir, mode);
+ inode = ext4_new_inode(handle, dir, mode);
err = PTR_ERR(inode);
if (!IS_ERR(inode)) {
init_special_inode(inode, inode->i_mode, rdev);
return err;
}
-static int ext4_mkdir(struct inode * dir, struct dentry * dentry, int mode)
+static int ext4_mkdir(struct inode *dir, struct dentry *dentry, int mode)
{
handle_t *handle;
- struct inode * inode;
- struct buffer_head * dir_block;
- struct ext4_dir_entry_2 * de;
+ struct inode *inode;
+ struct buffer_head *dir_block;
+ struct ext4_dir_entry_2 *de;
int err, retries = 0;
if (EXT4_DIR_LINK_MAX(dir))
if (IS_DIRSYNC(dir))
handle->h_sync = 1;
- inode = ext4_new_inode (handle, dir, S_IFDIR | mode);
+ inode = ext4_new_inode(handle, dir, S_IFDIR | mode);
err = PTR_ERR(inode);
if (IS_ERR(inode))
goto out_stop;
inode->i_op = &ext4_dir_inode_operations;
inode->i_fop = &ext4_dir_operations;
inode->i_size = EXT4_I(inode)->i_disksize = inode->i_sb->s_blocksize;
- dir_block = ext4_bread (handle, inode, 0, 1, &err);
+ dir_block = ext4_bread(handle, inode, 0, 1, &err);
if (!dir_block)
goto out_clear_inode;
BUFFER_TRACE(dir_block, "get_write_access");
de->inode = cpu_to_le32(inode->i_ino);
de->name_len = 1;
de->rec_len = ext4_rec_len_to_disk(EXT4_DIR_REC_LEN(de->name_len));
- strcpy (de->name, ".");
+ strcpy(de->name, ".");
ext4_set_de_type(dir->i_sb, de, S_IFDIR);
de = ext4_next_entry(de);
de->inode = cpu_to_le32(dir->i_ino);
de->rec_len = ext4_rec_len_to_disk(inode->i_sb->s_blocksize -
EXT4_DIR_REC_LEN(1));
de->name_len = 2;
- strcpy (de->name, "..");
+ strcpy(de->name, "..");
ext4_set_de_type(dir->i_sb, de, S_IFDIR);
inode->i_nlink = 2;
BUFFER_TRACE(dir_block, "call ext4_journal_dirty_metadata");
ext4_journal_dirty_metadata(handle, dir_block);
- brelse (dir_block);
+ brelse(dir_block);
ext4_mark_inode_dirty(handle, inode);
- err = ext4_add_entry (handle, dentry, inode);
+ err = ext4_add_entry(handle, dentry, inode);
if (err) {
out_clear_inode:
clear_nlink(inode);
ext4_mark_inode_dirty(handle, inode);
- iput (inode);
+ iput(inode);
goto out_stop;
}
ext4_inc_count(handle, dir);
/*
* routine to check that the specified directory is empty (for rmdir)
*/
-static int empty_dir (struct inode * inode)
+static int empty_dir(struct inode *inode)
{
unsigned long offset;
- struct buffer_head * bh;
- struct ext4_dir_entry_2 * de, * de1;
- struct super_block * sb;
+ struct buffer_head *bh;
+ struct ext4_dir_entry_2 *de, *de1;
+ struct super_block *sb;
int err = 0;
sb = inode->i_sb;
if (inode->i_size < EXT4_DIR_REC_LEN(1) + EXT4_DIR_REC_LEN(2) ||
- !(bh = ext4_bread (NULL, inode, 0, 0, &err))) {
+ !(bh = ext4_bread(NULL, inode, 0, 0, &err))) {
if (err)
ext4_error(inode->i_sb, __func__,
"error %d reading directory #%lu offset 0",
de1 = ext4_next_entry(de);
if (le32_to_cpu(de->inode) != inode->i_ino ||
!le32_to_cpu(de1->inode) ||
- strcmp (".", de->name) ||
- strcmp ("..", de1->name)) {
- ext4_warning (inode->i_sb, "empty_dir",
- "bad directory (dir #%lu) - no `.' or `..'",
- inode->i_ino);
- brelse (bh);
+ strcmp(".", de->name) ||
+ strcmp("..", de1->name)) {
+ ext4_warning(inode->i_sb, "empty_dir",
+ "bad directory (dir #%lu) - no `.' or `..'",
+ inode->i_ino);
+ brelse(bh);
return 1;
}
offset = ext4_rec_len_from_disk(de->rec_len) +
ext4_rec_len_from_disk(de1->rec_len);
de = ext4_next_entry(de1);
- while (offset < inode->i_size ) {
+ while (offset < inode->i_size) {
if (!bh ||
(void *) de >= (void *) (bh->b_data+sb->s_blocksize)) {
err = 0;
- brelse (bh);
- bh = ext4_bread (NULL, inode,
+ brelse(bh);
+ bh = ext4_bread(NULL, inode,
offset >> EXT4_BLOCK_SIZE_BITS(sb), 0, &err);
if (!bh) {
if (err)
continue;
}
if (le32_to_cpu(de->inode)) {
- brelse (bh);
+ brelse(bh);
return 0;
}
offset += ext4_rec_len_from_disk(de->rec_len);
de = ext4_next_entry(de);
}
- brelse (bh);
+ brelse(bh);
return 1;
}
* ->i_nlink. For, say it, character device. Not a regular file,
* not a directory, not a symlink and ->i_nlink > 0.
*/
- J_ASSERT ((S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
- S_ISLNK(inode->i_mode)) || inode->i_nlink == 0);
+ J_ASSERT((S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
+ S_ISLNK(inode->i_mode)) || inode->i_nlink == 0);
BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "get_write_access");
err = ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh);
goto out_err;
}
-static int ext4_rmdir (struct inode * dir, struct dentry *dentry)
+static int ext4_rmdir(struct inode *dir, struct dentry *dentry)
{
int retval;
- struct inode * inode;
- struct buffer_head * bh;
- struct ext4_dir_entry_2 * de;
+ struct inode *inode;
+ struct buffer_head *bh;
+ struct ext4_dir_entry_2 *de;
handle_t *handle;
/* Initialize quotas before so that eventual writes go in
return PTR_ERR(handle);
retval = -ENOENT;
- bh = ext4_find_entry (dentry, &de);
+ bh = ext4_find_entry(dentry, &de);
if (!bh)
goto end_rmdir;
goto end_rmdir;
retval = -ENOTEMPTY;
- if (!empty_dir (inode))
+ if (!empty_dir(inode))
goto end_rmdir;
retval = ext4_delete_entry(handle, dir, de, bh);
if (retval)
goto end_rmdir;
if (!EXT4_DIR_LINK_EMPTY(inode))
- ext4_warning (inode->i_sb, "ext4_rmdir",
- "empty directory has too many links (%d)",
- inode->i_nlink);
+ ext4_warning(inode->i_sb, "ext4_rmdir",
+ "empty directory has too many links (%d)",
+ inode->i_nlink);
inode->i_version++;
clear_nlink(inode);
/* There's no need to set i_disksize: the fact that i_nlink is
end_rmdir:
ext4_journal_stop(handle);
- brelse (bh);
+ brelse(bh);
return retval;
}
-static int ext4_unlink(struct inode * dir, struct dentry *dentry)
+static int ext4_unlink(struct inode *dir, struct dentry *dentry)
{
int retval;
- struct inode * inode;
- struct buffer_head * bh;
- struct ext4_dir_entry_2 * de;
+ struct inode *inode;
+ struct buffer_head *bh;
+ struct ext4_dir_entry_2 *de;
handle_t *handle;
/* Initialize quotas before so that eventual writes go
handle->h_sync = 1;
retval = -ENOENT;
- bh = ext4_find_entry (dentry, &de);
+ bh = ext4_find_entry(dentry, &de);
if (!bh)
goto end_unlink;
goto end_unlink;
if (!inode->i_nlink) {
- ext4_warning (inode->i_sb, "ext4_unlink",
- "Deleting nonexistent file (%lu), %d",
- inode->i_ino, inode->i_nlink);
+ ext4_warning(inode->i_sb, "ext4_unlink",
+ "Deleting nonexistent file (%lu), %d",
+ inode->i_ino, inode->i_nlink);
inode->i_nlink = 1;
}
retval = ext4_delete_entry(handle, dir, de, bh);
end_unlink:
ext4_journal_stop(handle);
- brelse (bh);
+ brelse(bh);
return retval;
}
-static int ext4_symlink (struct inode * dir,
- struct dentry *dentry, const char * symname)
+static int ext4_symlink(struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
handle_t *handle;
- struct inode * inode;
+ struct inode *inode;
int l, err, retries = 0;
l = strlen(symname)+1;
if (IS_DIRSYNC(dir))
handle->h_sync = 1;
- inode = ext4_new_inode (handle, dir, S_IFLNK|S_IRWXUGO);
+ inode = ext4_new_inode(handle, dir, S_IFLNK|S_IRWXUGO);
err = PTR_ERR(inode);
if (IS_ERR(inode))
goto out_stop;
- if (l > sizeof (EXT4_I(inode)->i_data)) {
+ if (l > sizeof(EXT4_I(inode)->i_data)) {
inode->i_op = &ext4_symlink_inode_operations;
ext4_set_aops(inode);
/*
if (err) {
clear_nlink(inode);
ext4_mark_inode_dirty(handle, inode);
- iput (inode);
+ iput(inode);
goto out_stop;
}
} else {
/* clear the extent format for fast symlink */
EXT4_I(inode)->i_flags &= ~EXT4_EXTENTS_FL;
inode->i_op = &ext4_fast_symlink_inode_operations;
- memcpy((char*)&EXT4_I(inode)->i_data,symname,l);
+ memcpy((char *)&EXT4_I(inode)->i_data, symname, l);
inode->i_size = l-1;
}
EXT4_I(inode)->i_disksize = inode->i_size;
return err;
}
-static int ext4_link (struct dentry * old_dentry,
- struct inode * dir, struct dentry *dentry)
+static int ext4_link(struct dentry *old_dentry,
+ struct inode *dir, struct dentry *dentry)
{
handle_t *handle;
struct inode *inode = old_dentry->d_inode;
* Anybody can rename anything with this: the permission checks are left to the
* higher-level routines.
*/
-static int ext4_rename (struct inode * old_dir, struct dentry *old_dentry,
- struct inode * new_dir,struct dentry *new_dentry)
+static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry)
{
handle_t *handle;
- struct inode * old_inode, * new_inode;
- struct buffer_head * old_bh, * new_bh, * dir_bh;
- struct ext4_dir_entry_2 * old_de, * new_de;
+ struct inode *old_inode, *new_inode;
+ struct buffer_head *old_bh, *new_bh, *dir_bh;
+ struct ext4_dir_entry_2 *old_de, *new_de;
int retval;
old_bh = new_bh = dir_bh = NULL;
if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
handle->h_sync = 1;
- old_bh = ext4_find_entry (old_dentry, &old_de);
+ old_bh = ext4_find_entry(old_dentry, &old_de);
/*
* Check for inode number is _not_ due to possible IO errors.
* We might rmdir the source, keep it as pwd of some process
goto end_rename;
new_inode = new_dentry->d_inode;
- new_bh = ext4_find_entry (new_dentry, &new_de);
+ new_bh = ext4_find_entry(new_dentry, &new_de);
if (new_bh) {
if (!new_inode) {
- brelse (new_bh);
+ brelse(new_bh);
new_bh = NULL;
}
}
if (S_ISDIR(old_inode->i_mode)) {
if (new_inode) {
retval = -ENOTEMPTY;
- if (!empty_dir (new_inode))
+ if (!empty_dir(new_inode))
goto end_rename;
}
retval = -EIO;
- dir_bh = ext4_bread (handle, old_inode, 0, 0, &retval);
+ dir_bh = ext4_bread(handle, old_inode, 0, 0, &retval);
if (!dir_bh)
goto end_rename;
if (le32_to_cpu(PARENT_INO(dir_bh->b_data)) != old_dir->i_ino)
goto end_rename;
retval = -EMLINK;
- if (!new_inode && new_dir!=old_dir &&
+ if (!new_inode && new_dir != old_dir &&
new_dir->i_nlink >= EXT4_LINK_MAX)
goto end_rename;
}
if (!new_bh) {
- retval = ext4_add_entry (handle, new_dentry, old_inode);
+ retval = ext4_add_entry(handle, new_dentry, old_inode);
if (retval)
goto end_rename;
} else {
retval = 0;
end_rename:
- brelse (dir_bh);
- brelse (old_bh);
- brelse (new_bh);
+ brelse(dir_bh);
+ brelse(old_bh);
+ brelse(new_bh);
ext4_journal_stop(handle);
return retval;
}
"EXT4-fs: ext4_add_new_gdb: adding group block %lu\n",
gdb_num);
- /*
- * If we are not using the primary superblock/GDT copy don't resize,
+ /*
+ * If we are not using the primary superblock/GDT copy don't resize,
* because the user tools have no way of handling this. Probably a
* bad time to do it anyways.
*/
ext4_group_t o_groups_count;
ext4_grpblk_t last;
ext4_grpblk_t add;
- struct buffer_head * bh;
+ struct buffer_head *bh;
handle_t *handle;
int err;
unsigned long freed_blocks;
if (sbi->s_jquota_fmt)
seq_printf(seq, ",jqfmt=%s",
- (sbi->s_jquota_fmt == QFMT_VFS_OLD) ? "vfsold": "vfsv0");
+ (sbi->s_jquota_fmt == QFMT_VFS_OLD) ? "vfsold" : "vfsv0");
if (sbi->s_qf_names[USRQUOTA])
seq_printf(seq, ",usrjquota=%s", sbi->s_qf_names[USRQUOTA]);
}
#ifdef CONFIG_QUOTA
-#define QTYPE2NAME(t) ((t) == USRQUOTA?"user":"group")
+#define QTYPE2NAME(t) ((t) == USRQUOTA ? "user" : "group")
#define QTYPE2MOPT(on, t) ((t) == USRQUOTA?((on)##USRJQUOTA):((on)##GRPJQUOTA))
static int ext4_dquot_initialize(struct inode *inode, int type);
if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FLEX_BG))
flexbg_flag = 1;
- ext4_debug ("Checking group descriptors");
+ ext4_debug("Checking group descriptors");
for (i = 0; i < sbi->s_groups_count; i++) {
struct ext4_group_desc *gdp = ext4_get_group_desc(sb, i, NULL);
#include "ext4.h"
#include "xattr.h"
-static void * ext4_follow_link(struct dentry *dentry, struct nameidata *nd)
+static void *ext4_follow_link(struct dentry *dentry, struct nameidata *nd)
{
struct ext4_inode_info *ei = EXT4_I(dentry->d_inode);
- nd_set_link(nd, (char*)ei->i_data);
+ nd_set_link(nd, (char *) ei->i_data);
return NULL;
}
(((name_len) + EXT4_XATTR_ROUND + \
sizeof(struct ext4_xattr_entry)) & ~EXT4_XATTR_ROUND)
#define EXT4_XATTR_NEXT(entry) \
- ( (struct ext4_xattr_entry *)( \
- (char *)(entry) + EXT4_XATTR_LEN((entry)->e_name_len)) )
+ ((struct ext4_xattr_entry *)( \
+ (char *)(entry) + EXT4_XATTR_LEN((entry)->e_name_len)))
#define EXT4_XATTR_SIZE(size) \
(((size) + EXT4_XATTR_ROUND) & ~EXT4_XATTR_ROUND)
projects / openwrt / staging / blogic.git / commitdiff