+Valerie Aurora <vaurora@redhat.com>
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
-@@ -130,6 +130,7 @@
+@@ -130,6 +130,7 @@ struct autofs_sb_info {
int reghost_enabled;
int needs_reghost;
struct super_block *sb;
static struct file_system_type autofs_fs_type = {
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
-@@ -179,6 +179,12 @@
+@@ -179,6 +179,12 @@ static void *autofs4_follow_link(struct
DPRINTK("dentry=%p %.*s oz_mode=%d nd->flags=%d",
dentry, dentry->d_name.len, dentry->d_name.name, oz_mode,
nd->flags);
* to break out of follow_down() at the autofs mount trigger
--- a/fs/compat.c
+++ b/fs/compat.c
-@@ -847,6 +847,9 @@
+@@ -847,6 +847,9 @@ static int compat_fillonedir(void *__buf
struct compat_old_linux_dirent __user *dirent;
compat_ulong_t d_ino;
if (buf->result)
return -EINVAL;
d_ino = ino;
-@@ -918,6 +921,9 @@
+@@ -918,6 +921,9 @@ static int compat_filldir(void *__buf, c
compat_ulong_t d_ino;
int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 2, sizeof(compat_long_t));
buf->error = -EINVAL; /* only used if we fail.. */
if (reclen > buf->count)
return -EINVAL;
-@@ -1007,6 +1013,9 @@
+@@ -1007,6 +1013,9 @@ static int compat_filldir64(void * __buf
int reclen = ALIGN(jj + namlen + 1, sizeof(u64));
u64 off;
#include <linux/fsnotify.h>
#include <linux/slab.h>
#include <linux/init.h>
-@@ -157,14 +158,19 @@
+@@ -157,14 +158,19 @@ static void dentry_lru_del_init(struct d
}
/**
__releases(dentry->d_lock)
__releases(dcache_lock)
{
-@@ -172,13 +178,78 @@
+@@ -172,13 +178,78 @@ static struct dentry *d_kill(struct dent
list_del(&dentry->d_u.d_child);
dentry_stat.nr_dentry--; /* For d_free, below */
return parent;
}
-@@ -199,19 +270,24 @@
+@@ -199,19 +270,24 @@ static struct dentry *d_kill(struct dent
* Real recursion would eat up our stack space.
*/
{
if (!dentry)
return;
-@@ -252,12 +328,35 @@
+@@ -252,12 +328,35 @@ unhash_it:
kill_it:
/* if dentry was on the d_lru list delete it from there */
dentry_lru_del(dentry);
* d_invalidate - invalidate a dentry
* @dentry: dentry to invalidate
*
-@@ -689,6 +788,7 @@
+@@ -689,6 +788,7 @@ static void shrink_dcache_for_umount_sub
iput(inode);
}
d_free(dentry);
/* finished when we fall off the top of the tree,
-@@ -951,6 +1051,10 @@
+@@ -951,6 +1051,10 @@ struct dentry *d_alloc(struct dentry * p
INIT_LIST_HEAD(&dentry->d_lru);
INIT_LIST_HEAD(&dentry->d_subdirs);
INIT_LIST_HEAD(&dentry->d_alias);
if (parent) {
dentry->d_parent = dget(parent);
-@@ -981,8 +1085,10 @@
+@@ -981,8 +1085,10 @@ struct dentry *d_alloc_name(struct dentr
/* the caller must hold dcache_lock */
static void __d_instantiate(struct dentry *dentry, struct inode *inode)
{
dentry->d_inode = inode;
fsnotify_d_instantiate(dentry, inode);
}
-@@ -1513,7 +1619,9 @@
+@@ -1513,7 +1619,9 @@ void d_delete(struct dentry * dentry)
spin_lock(&dentry->d_lock);
isdir = S_ISDIR(dentry->d_inode->i_mode);
if (atomic_read(&dentry->d_count) == 1) {
fsnotify_nameremove(dentry, isdir);
return;
}
-@@ -1524,14 +1632,14 @@
+@@ -1524,14 +1632,14 @@ void d_delete(struct dentry * dentry)
spin_unlock(&dentry->d_lock);
spin_unlock(&dcache_lock);
}
static void _d_rehash(struct dentry * entry)
-@@ -1550,6 +1658,7 @@
+@@ -1550,6 +1658,7 @@ void d_rehash(struct dentry * entry)
{
spin_lock(&dcache_lock);
spin_lock(&entry->d_lock);
_d_rehash(entry);
spin_unlock(&entry->d_lock);
spin_unlock(&dcache_lock);
-@@ -2182,7 +2291,9 @@
+@@ -2182,7 +2291,9 @@ resume:
struct list_head *tmp = next;
struct dentry *dentry = list_entry(tmp, struct dentry, d_u.d_child);
next = tmp->next;
this_parent = dentry;
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
-@@ -219,7 +219,8 @@
+@@ -219,7 +219,8 @@ static inline int ext2_match (int len, c
{
if (len != de->name_len)
return 0;
return 0;
return !memcmp(name, de->name, len);
}
-@@ -255,6 +256,8 @@
+@@ -255,6 +256,8 @@ static unsigned char ext2_filetype_table
[EXT2_FT_FIFO] = DT_FIFO,
[EXT2_FT_SOCK] = DT_SOCK,
[EXT2_FT_SYMLINK] = DT_LNK,
};
#define S_SHIFT 12
-@@ -341,6 +344,18 @@
+@@ -341,6 +344,18 @@ ext2_readdir (struct file * filp, void *
ext2_put_page(page);
return 0;
}
}
filp->f_pos += ext2_rec_len_from_disk(de->rec_len);
}
-@@ -448,6 +463,30 @@
+@@ -448,6 +463,30 @@ ino_t ext2_inode_by_name(struct inode *d
return res;
}
/* Releases the page */
void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de,
struct page *page, struct inode *inode, int update_times)
-@@ -472,9 +511,10 @@
+@@ -472,9 +511,10 @@ void ext2_set_link(struct inode *dir, st
}
/*
{
struct inode *dir = dentry->d_parent->d_inode;
const char *name = dentry->d_name.name;
-@@ -482,13 +522,10 @@
+@@ -482,13 +522,10 @@ int ext2_add_link (struct dentry *dentry
unsigned chunk_size = ext2_chunk_size(dir);
unsigned reclen = EXT2_DIR_REC_LEN(namelen);
unsigned short rec_len, name_len;
/*
* We take care of directory expansion in the same loop.
-@@ -498,55 +535,97 @@
+@@ -498,55 +535,97 @@ int ext2_add_link (struct dentry *dentry
for (n = 0; n <= npages; n++) {
char *dir_end;
ext2_dirent *de1 = (ext2_dirent *) ((char *) de + name_len);
de1->rec_len = ext2_rec_len_to_disk(rec_len - name_len);
de->rec_len = ext2_rec_len_to_disk(name_len);
-@@ -563,7 +642,60 @@
+@@ -563,7 +642,60 @@ got_it:
/* OFFSET_CACHE */
out_put:
ext2_put_page(page);
return err;
out_unlock:
unlock_page(page);
-@@ -616,6 +748,70 @@
+@@ -616,6 +748,70 @@ out:
return err;
}
*/
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
-@@ -102,9 +102,13 @@
+@@ -102,9 +102,13 @@ extern void ext2_rsv_window_add(struct s
/* dir.c */
extern int ext2_add_link (struct dentry *, struct inode *);
extern ino_t ext2_inode_by_name(struct inode *, struct qstr *);
extern void ext2_set_link(struct inode *, struct ext2_dir_entry_2 *, struct page *, struct inode *, int);
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
-@@ -1176,7 +1176,8 @@
+@@ -1176,7 +1176,8 @@ void ext2_set_inode_flags(struct inode *
{
unsigned int flags = EXT2_I(inode)->i_flags;
if (flags & EXT2_SYNC_FL)
inode->i_flags |= S_SYNC;
if (flags & EXT2_APPEND_FL)
-@@ -1187,6 +1188,8 @@
+@@ -1187,6 +1188,8 @@ void ext2_set_inode_flags(struct inode *
inode->i_flags |= S_NOATIME;
if (flags & EXT2_DIRSYNC_FL)
inode->i_flags |= S_DIRSYNC;
}
/* Propagate flags from i_flags to EXT2_I(inode)->i_flags */
-@@ -1194,8 +1197,8 @@
+@@ -1194,8 +1197,8 @@ void ext2_get_inode_flags(struct ext2_in
{
unsigned int flags = ei->vfs_inode.i_flags;
if (flags & S_SYNC)
ei->i_flags |= EXT2_SYNC_FL;
if (flags & S_APPEND)
-@@ -1206,6 +1209,8 @@
+@@ -1206,6 +1209,8 @@ void ext2_get_inode_flags(struct ext2_in
ei->i_flags |= EXT2_NOATIME_FL;
if (flags & S_DIRSYNC)
ei->i_flags |= EXT2_DIRSYNC_FL;
struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
-@@ -54,15 +54,16 @@
+@@ -54,15 +54,16 @@ static inline int ext2_add_nondir(struct
* Methods themselves.
*/
inode = NULL;
if (ino) {
inode = ext2_iget(dir->i_sb, ino);
-@@ -230,6 +231,10 @@
+@@ -230,6 +231,10 @@ static int ext2_mkdir(struct inode * dir
else
inode->i_mapping->a_ops = &ext2_aops;
inode_inc_link_count(inode);
err = ext2_make_empty(inode, dir);
-@@ -293,6 +298,78 @@
+@@ -293,6 +298,78 @@ static int ext2_rmdir (struct inode * di
return err;
}
static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
struct inode * new_dir, struct dentry * new_dentry )
{
-@@ -392,6 +469,8 @@
+@@ -392,6 +469,8 @@ const struct inode_operations ext2_dir_i
.mkdir = ext2_mkdir,
.rmdir = ext2_rmdir,
.mknod = ext2_mknod,
.setxattr = generic_setxattr,
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
-@@ -1062,6 +1062,13 @@
+@@ -1062,6 +1062,13 @@ static int ext2_fill_super(struct super_
if (EXT2_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL))
ext2_warning(sb, __func__,
"mounting ext3 filesystem as ext2");
--- a/fs/Kconfig
+++ b/fs/Kconfig
-@@ -58,6 +58,14 @@
+@@ -58,6 +58,14 @@ source "fs/notify/Kconfig"
source "fs/quota/Kconfig"
source "fs/fuse/Kconfig"
--- a/fs/libfs.c
+++ b/fs/libfs.c
-@@ -133,6 +133,7 @@
+@@ -133,6 +133,7 @@ int dcache_readdir(struct file * filp, v
struct dentry *cursor = filp->private_data;
struct list_head *p, *q = &cursor->d_u.d_child;
ino_t ino;
int i = filp->f_pos;
switch (i) {
-@@ -158,14 +159,25 @@
+@@ -158,14 +159,25 @@ int dcache_readdir(struct file * filp, v
for (p=q->next; p != &dentry->d_subdirs; p=p->next) {
struct dentry *next;
next = list_entry(p, struct dentry, d_u.d_child);
/* next is still alive */
--- a/fs/Makefile
+++ b/fs/Makefile
-@@ -52,6 +52,7 @@
+@@ -52,6 +52,7 @@ obj-$(CONFIG_NFS_COMMON) += nfs_common/
obj-$(CONFIG_GENERIC_ACL) += generic_acl.o
obj-y += quota/
#include <asm/uaccess.h>
#define ACC_MODE(x) ("\000\004\002\006"[(x)&O_ACCMODE])
-@@ -229,16 +230,17 @@
+@@ -229,16 +230,17 @@ int generic_permission(struct inode *ino
}
/**
{
int retval;
-@@ -248,7 +250,7 @@
+@@ -248,7 +250,7 @@ int inode_permission(struct inode *inode
/*
* Nobody gets write access to a read-only fs.
*/
(S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)))
return -EROFS;
-@@ -276,6 +278,18 @@
+@@ -276,6 +278,18 @@ int inode_permission(struct inode *inode
}
/**
* file_permission - check for additional access rights to a given file
* @file: file to check access rights for
* @mask: right to check for (%MAY_READ, %MAY_WRITE, %MAY_EXEC)
-@@ -404,15 +418,10 @@
+@@ -404,15 +418,10 @@ do_revalidate(struct dentry *dentry, str
* Internal lookup() using the new generic dcache.
* SMP-safe
*/
if (dentry && dentry->d_op && dentry->d_op->d_revalidate)
dentry = do_revalidate(dentry, nd);
-@@ -421,6 +430,208 @@
+@@ -421,6 +430,208 @@ static struct dentry * cached_lookup(str
}
/*
* Short-cut version of permission(), for calling by
* path_walk(), when dcache lock is held. Combines parts
* of permission() and generic_permission(), and tests ONLY for
-@@ -467,10 +678,11 @@
+@@ -467,10 +678,11 @@ ok:
* make sure that nobody added the entry to the dcache in the meantime..
* SMP-safe
*/
mutex_lock(&dir->i_mutex);
/*
-@@ -487,27 +699,36 @@
+@@ -487,27 +699,36 @@ static struct dentry * real_lookup(struc
*
* so doing d_lookup() (with seqlock), instead of lockfree __d_lookup
*/
}
/*
-@@ -515,12 +736,170 @@
+@@ -515,12 +736,170 @@ out_unlock:
* we waited on the semaphore. Need to revalidate.
*/
mutex_unlock(&dir->i_mutex);
}
/*
-@@ -623,11 +1002,8 @@
+@@ -623,11 +1002,8 @@ static __always_inline int __do_follow_l
touch_atime(path->mnt, dentry);
nd_set_link(nd, NULL);
cookie = dentry->d_inode->i_op->follow_link(dentry, nd);
error = PTR_ERR(cookie);
if (!IS_ERR(cookie)) {
-@@ -715,7 +1091,7 @@
+@@ -715,7 +1091,7 @@ static int __follow_mount(struct path *p
return res;
}
{
while (d_mountpoint(path->dentry)) {
struct vfsmount *mounted = lookup_mnt(path);
-@@ -780,6 +1156,7 @@
+@@ -780,6 +1156,7 @@ static __always_inline void follow_dotdo
nd->path.mnt = parent;
}
follow_mount(&nd->path);
}
/*
-@@ -790,35 +1167,55 @@
+@@ -790,35 +1167,55 @@ static __always_inline void follow_dotdo
static int do_lookup(struct nameidata *nd, struct qstr *name,
struct path *path)
{
}
/*
-@@ -845,6 +1242,8 @@
+@@ -845,6 +1242,8 @@ static int __link_path_walk(const char *
if (nd->depth)
lookup_flags = LOOKUP_FOLLOW | (nd->flags & LOOKUP_CONTINUE);
/* At this point we know we have a real path component. */
for(;;) {
unsigned long hash;
-@@ -913,6 +1312,44 @@
+@@ -913,6 +1312,44 @@ static int __link_path_walk(const char *
if (err)
break;
err = -ENOENT;
inode = next.dentry->d_inode;
if (!inode)
-@@ -962,6 +1399,25 @@
+@@ -962,6 +1399,25 @@ last_component:
err = do_lookup(nd, &this, &next);
if (err)
break;
inode = next.dentry->d_inode;
if ((lookup_flags & LOOKUP_FOLLOW)
&& inode && inode->i_op->follow_link) {
-@@ -1029,6 +1485,7 @@
+@@ -1029,6 +1485,7 @@ static int path_init(int dfd, const char
nd->last_type = LAST_ROOT; /* if there are only slashes... */
nd->flags = flags;
nd->depth = 0;
nd->root.mnt = NULL;
-@@ -1172,61 +1629,437 @@
+@@ -1172,61 +1629,437 @@ static int path_lookup_open(int dfd, con
}
static struct dentry *__lookup_hash(struct qstr *name,
}
static int __lookup_one_len(const char *name, struct qstr *this,
-@@ -1502,8 +2335,9 @@
+@@ -1502,8 +2335,9 @@ int vfs_create(struct inode *dir, struct
return error;
}
struct dentry *dentry = path->dentry;
struct inode *inode = dentry->d_inode;
int error;
-@@ -1529,7 +2363,7 @@
+@@ -1529,7 +2363,7 @@ int may_open(struct path *path, int acc_
break;
}
if (error)
return error;
-@@ -1575,6 +2409,9 @@
+@@ -1575,6 +2409,9 @@ int may_open(struct path *path, int acc_
if (!error)
error = security_path_truncate(path, 0,
ATTR_MTIME|ATTR_CTIME|ATTR_OPEN);
if (!error) {
vfs_dq_init(inode);
-@@ -1621,7 +2458,7 @@
+@@ -1621,7 +2458,7 @@ out_unlock:
if (error)
return error;
/* Don't check for write permission, don't truncate */
}
/*
-@@ -1736,12 +2573,10 @@
+@@ -1736,12 +2573,10 @@ struct file *do_filp_open(int dfd, const
if (flag & O_EXCL)
nd.flags |= LOOKUP_EXCL;
mutex_lock(&dir->d_inode->i_mutex);
mutex_unlock(&dir->d_inode->i_mutex);
goto exit;
}
-@@ -1801,10 +2636,23 @@
+@@ -1801,10 +2636,23 @@ do_last:
if (path.dentry->d_inode->i_op->follow_link)
goto do_link;
ok:
/*
* Consider:
-@@ -1822,12 +2670,18 @@
+@@ -1822,12 +2670,18 @@ ok:
if (error)
goto exit;
}
filp = nameidata_to_filp(&nd, open_flag);
if (IS_ERR(filp))
ima_counts_put(&nd.path,
-@@ -1902,8 +2756,7 @@
+@@ -1902,8 +2756,7 @@ do_link:
}
dir = nd.path.dentry;
mutex_lock(&dir->d_inode->i_mutex);
__putname(nd.last.name);
goto do_last;
}
-@@ -1937,7 +2790,8 @@
+@@ -1937,7 +2790,8 @@ EXPORT_SYMBOL(filp_open);
*/
struct dentry *lookup_create(struct nameidata *nd, int is_dir)
{
mutex_lock_nested(&nd->path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
/*
-@@ -1953,11 +2807,13 @@
+@@ -1953,11 +2807,13 @@ struct dentry *lookup_create(struct name
/*
* Do the final lookup.
*/
goto eexist;
/*
* Special case - lookup gave negative, but... we had foo/bar/
-@@ -1966,15 +2822,17 @@
+@@ -1966,15 +2822,17 @@ struct dentry *lookup_create(struct name
* been asking for (non-existent) directory. -ENOENT for you.
*/
if (unlikely(!is_dir && nd->last.name[nd->last.len])) {
}
EXPORT_SYMBOL_GPL(lookup_create);
-@@ -2086,6 +2944,7 @@
+@@ -2086,6 +2944,7 @@ SYSCALL_DEFINE3(mknod, const char __user
int vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
{
int error = may_create(dir, dentry);
if (error)
return error;
-@@ -2099,9 +2958,18 @@
+@@ -2099,9 +2958,18 @@ int vfs_mkdir(struct inode *dir, struct
return error;
vfs_dq_init(dir);
return error;
}
-@@ -2147,6 +3015,212 @@
+@@ -2147,6 +3015,212 @@ SYSCALL_DEFINE2(mkdir, const char __user
return sys_mkdirat(AT_FDCWD, pathname, mode);
}
/*
* We try to drop the dentry early: we should have
* a usage count of 2 if we're the only user of this
-@@ -2211,7 +3285,7 @@
+@@ -2211,7 +3285,7 @@ static long do_rmdir(int dfd, const char
{
int error = 0;
char * name;
struct nameidata nd;
error = user_path_parent(dfd, pathname, &nd, &name);
-@@ -2233,21 +3307,24 @@
+@@ -2233,21 +3307,24 @@ static long do_rmdir(int dfd, const char
nd.flags &= ~LOOKUP_PARENT;
mutex_lock_nested(&nd.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
exit2:
mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
exit1:
-@@ -2302,7 +3379,7 @@
+@@ -2302,7 +3379,7 @@ static long do_unlinkat(int dfd, const c
{
int error;
char *name;
struct nameidata nd;
struct inode *inode = NULL;
-@@ -2317,26 +3394,29 @@
+@@ -2317,26 +3394,29 @@ static long do_unlinkat(int dfd, const c
nd.flags &= ~LOOKUP_PARENT;
mutex_lock_nested(&nd.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
}
mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
if (inode)
-@@ -2347,8 +3427,8 @@
+@@ -2347,8 +3427,8 @@ exit1:
return error;
slashes:
goto exit2;
}
-@@ -2684,11 +3764,96 @@
+@@ -2684,11 +3764,96 @@ int vfs_rename(struct inode *old_dir, st
return error;
}
struct dentry *trap;
struct nameidata oldnd, newnd;
char *from;
-@@ -2722,16 +3887,28 @@
+@@ -2722,16 +3887,28 @@ SYSCALL_DEFINE4(renameat, int, olddfd, c
trap = lock_rename(new_dir, old_dir);
error = -ENOTDIR;
if (oldnd.last.name[oldnd.last.len])
goto exit4;
-@@ -2740,32 +3917,44 @@
+@@ -2740,32 +3917,44 @@ SYSCALL_DEFINE4(renameat, int, olddfd, c
}
/* source should not be ancestor of target */
error = -EINVAL;
#include <asm/uaccess.h>
#include <asm/unistd.h>
#include "pnode.h"
-@@ -150,6 +151,9 @@
+@@ -150,6 +151,9 @@ struct vfsmount *alloc_vfsmnt(const char
INIT_LIST_HEAD(&mnt->mnt_share);
INIT_LIST_HEAD(&mnt->mnt_slave_list);
INIT_LIST_HEAD(&mnt->mnt_slave);
#ifdef CONFIG_SMP
mnt->mnt_writers = alloc_percpu(int);
if (!mnt->mnt_writers)
-@@ -469,6 +473,7 @@
+@@ -469,6 +473,7 @@ static void __touch_mnt_namespace(struct
static void detach_mnt(struct vfsmount *mnt, struct path *old_path)
{
old_path->dentry = mnt->mnt_mountpoint;
old_path->mnt = mnt->mnt_parent;
mnt->mnt_parent = mnt;
-@@ -492,6 +497,7 @@
+@@ -492,6 +497,7 @@ static void attach_mnt(struct vfsmount *
list_add_tail(&mnt->mnt_hash, mount_hashtable +
hash(path->mnt, path->dentry));
list_add_tail(&mnt->mnt_child, &path->mnt->mnt_mounts);
}
/*
-@@ -514,6 +520,7 @@
+@@ -514,6 +520,7 @@ static void commit_tree(struct vfsmount
list_add_tail(&mnt->mnt_hash, mount_hashtable +
hash(parent, mnt->mnt_mountpoint));
list_add_tail(&mnt->mnt_child, &parent->mnt_mounts);
touch_mnt_namespace(n);
}
-@@ -770,6 +777,7 @@
+@@ -770,6 +777,7 @@ static void show_mnt_opts(struct seq_fil
{ MNT_NODIRATIME, ",nodiratime" },
{ MNT_RELATIME, ",relatime" },
{ MNT_STRICTATIME, ",strictatime" },
{ 0, NULL }
};
const struct proc_fs_info *fs_infop;
-@@ -984,6 +992,7 @@
+@@ -984,6 +992,7 @@ void release_mounts(struct list_head *he
struct dentry *dentry;
struct vfsmount *m;
spin_lock(&vfsmount_lock);
dentry = mnt->mnt_mountpoint;
m = mnt->mnt_parent;
mnt->mnt_mountpoint = mnt->mnt_root;
-@@ -1102,6 +1111,11 @@
+@@ -1102,6 +1111,11 @@ static int do_umount(struct vfsmount *mn
spin_unlock(&vfsmount_lock);
if (retval)
security_sb_umount_busy(mnt);
up_write(&namespace_sem);
release_mounts(&umount_list);
return retval;
-@@ -1426,6 +1440,10 @@
+@@ -1426,6 +1440,10 @@ static int do_change_type(struct path *p
if (path->dentry != path->mnt->mnt_root)
return -EINVAL;
down_write(&namespace_sem);
if (type == MS_SHARED) {
err = invent_group_ids(mnt, recurse);
-@@ -1444,10 +1462,65 @@
+@@ -1444,10 +1462,65 @@ static int do_change_type(struct path *p
}
/*
{
struct path old_path;
struct vfsmount *mnt = NULL;
-@@ -1477,6 +1550,13 @@
+@@ -1477,6 +1550,13 @@ static int do_loopback(struct path *path
if (!mnt)
goto out;
err = graft_tree(mnt, path);
if (err) {
LIST_HEAD(umount_list);
-@@ -1486,6 +1566,10 @@
+@@ -1486,6 +1566,10 @@ static int do_loopback(struct path *path
release_mounts(&umount_list);
}
out:
up_write(&namespace_sem);
path_put(&old_path);
-@@ -1570,6 +1654,13 @@
+@@ -1570,6 +1654,13 @@ static int do_move_mount(struct path *pa
if (err)
return err;
down_write(&namespace_sem);
while (d_mountpoint(path->dentry) &&
follow_down(path))
-@@ -1627,6 +1718,7 @@
+@@ -1627,6 +1718,7 @@ out:
up_write(&namespace_sem);
if (!err)
path_put(&parent_path);
path_put(&old_path);
return err;
}
-@@ -1684,10 +1776,18 @@
+@@ -1684,10 +1776,18 @@ int do_add_mount(struct vfsmount *newmnt
if (S_ISLNK(newmnt->mnt_root->d_inode->i_mode))
goto unlock;
if (fslist) /* add to the specified expiration list */
list_add_tail(&newmnt->mnt_expire, fslist);
-@@ -1925,10 +2025,12 @@
+@@ -1925,10 +2025,12 @@ long do_mount(char *dev_name, char *dir_
mnt_flags &= ~(MNT_RELATIME | MNT_NOATIME);
if (flags & MS_RDONLY)
mnt_flags |= MNT_READONLY;
/* ... and get the mountpoint */
retval = kern_path(dir_name, LOOKUP_FOLLOW, &path);
-@@ -1944,7 +2046,8 @@
+@@ -1944,7 +2046,8 @@ long do_mount(char *dev_name, char *dir_
retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
data_page);
else if (flags & MS_BIND)
else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
retval = do_change_type(&path, flags);
else if (flags & MS_MOVE)
-@@ -2179,6 +2282,8 @@
+@@ -2179,6 +2282,8 @@ SYSCALL_DEFINE2(pivot_root, const char _
if (d_unlinked(old.dentry))
goto out2;
error = -EBUSY;
goto out2; /* loop, on the same file system */
--- a/fs/nfsctl.c
+++ b/fs/nfsctl.c
-@@ -38,10 +38,10 @@
+@@ -38,10 +38,10 @@ static struct file *do_open(char *name,
return ERR_PTR(error);
if (flags == O_RDWR)
return dentry_open(nd.path.dentry, nd.path.mnt, flags,
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
-@@ -884,6 +884,11 @@
+@@ -884,6 +884,11 @@ encode_entry(struct readdir_cd *ccd, con
int elen; /* estimated entry length in words */
int num_entry_words = 0; /* actual number of words */
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
-@@ -2263,7 +2263,7 @@
+@@ -2263,7 +2263,7 @@ nfsd4_encode_dirent(void *ccdv, const ch
__be32 nfserr = nfserr_toosmall;
/* In nfsv4, "." and ".." never make it onto the wire.. */
}
--- a/fs/nfsd/nfsxdr.c
+++ b/fs/nfsd/nfsxdr.c
-@@ -513,6 +513,10 @@
+@@ -513,6 +513,10 @@ nfssvc_encode_entry(void *ccdv, const ch
namlen, name, offset, ino);
*/
int vfs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
-@@ -222,69 +223,69 @@
+@@ -222,69 +223,69 @@ int do_truncate(struct dentry *dentry, l
return err;
}
return error;
}
-@@ -296,45 +297,16 @@
+@@ -296,45 +297,16 @@ SYSCALL_DEFINE2(truncate, const char __u
static long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
{
fput(file);
out:
return error;
-@@ -493,7 +465,8 @@
+@@ -493,7 +465,8 @@ SYSCALL_DEFINE3(faccessat, int, dfd, con
goto out_path_release;
}
/* SuS v2 requires we report a read only fs too */
if (res || !(mode & S_IWOTH) || special_file(inode->i_mode))
goto out_path_release;
-@@ -507,7 +480,8 @@
+@@ -507,7 +480,8 @@ SYSCALL_DEFINE3(faccessat, int, dfd, con
* inherently racy and know that the fs may change
* state before we even see this result.
*/
res = -EROFS;
out_path_release:
-@@ -553,20 +527,19 @@
+@@ -553,20 +527,19 @@ SYSCALL_DEFINE1(fchdir, unsigned int, fd
error = -EBADF;
file = fget(fd);
if (!file)
#include <asm/uaccess.h>
-@@ -36,9 +37,24 @@
+@@ -36,9 +37,24 @@ int vfs_readdir(struct file *file, filld
res = -ENOENT;
if (!IS_DEADDIR(inode)) {
mutex_unlock(&inode->i_mutex);
out:
return res;
-@@ -77,6 +93,9 @@
+@@ -77,6 +93,9 @@ static int fillonedir(void * __buf, cons
struct old_linux_dirent __user * dirent;
unsigned long d_ino;
if (buf->result)
return -EINVAL;
d_ino = ino;
-@@ -154,6 +173,9 @@
+@@ -154,6 +173,9 @@ static int filldir(void * __buf, const c
unsigned long d_ino;
int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 2, sizeof(long));
buf->error = -EINVAL; /* only used if we fail.. */
if (reclen > buf->count)
return -EINVAL;
-@@ -239,6 +261,9 @@
+@@ -239,6 +261,9 @@ static int filldir64(void * __buf, const
struct getdents_callback64 * buf = (struct getdents_callback64 *) __buf;
int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 1, sizeof(u64));
return -EINVAL;
--- a/fs/super.c
+++ b/fs/super.c
-@@ -553,6 +553,15 @@
+@@ -553,6 +553,15 @@ int do_remount_sb(struct super_block *sb
}
remount_rw = !(flags & MS_RDONLY) && (sb->s_flags & MS_RDONLY);
if (sb->s_op->remount_fs) {
retval = sb->s_op->remount_fs(sb, &flags, data);
if (retval)
-@@ -889,6 +898,11 @@
+@@ -889,6 +898,11 @@ vfs_kern_mount(struct file_system_type *
if (error)
goto out_sb;
+}
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
-@@ -101,6 +101,15 @@
+@@ -101,6 +101,15 @@ struct dentry {
struct dentry *d_parent; /* parent directory */
struct qstr d_name;
struct list_head d_lru; /* LRU list */
/*
* d_child and d_rcu can share memory
-@@ -186,6 +195,9 @@
+@@ -186,6 +195,9 @@ d_iput: no no no yes
#define DCACHE_FSNOTIFY_PARENT_WATCHED 0x0080 /* Parent inode is watched by some fsnotify listener */
extern spinlock_t dcache_lock;
extern seqlock_t rename_lock;
-@@ -205,12 +217,20 @@
+@@ -205,12 +217,20 @@ extern seqlock_t rename_lock;
* __d_drop requires dentry->d_lock.
*/
}
static inline void d_drop(struct dentry *dentry)
-@@ -358,6 +378,16 @@
+@@ -358,6 +378,16 @@ static inline int d_unlinked(struct dent
return d_unhashed(dentry) && !IS_ROOT(dentry);
}
struct dentry *ret;
--- a/include/linux/ext2_fs.h
+++ b/include/linux/ext2_fs.h
-@@ -189,6 +189,7 @@
+@@ -189,6 +189,7 @@ struct ext2_group_desc
#define EXT2_NOTAIL_FL FS_NOTAIL_FL /* file tail should not be merged */
#define EXT2_DIRSYNC_FL FS_DIRSYNC_FL /* dirsync behaviour (directories only) */
#define EXT2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/
#define EXT2_RESERVED_FL FS_RESERVED_FL /* reserved for ext2 lib */
#define EXT2_FL_USER_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
-@@ -503,10 +504,12 @@
+@@ -503,10 +504,12 @@ struct ext2_super_block {
#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004
#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008
#define EXT2_FEATURE_INCOMPAT_META_BG 0x0010
EXT2_FEATURE_INCOMPAT_META_BG)
#define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \
EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \
-@@ -573,6 +576,8 @@
+@@ -573,6 +576,8 @@ enum {
EXT2_FT_FIFO,
EXT2_FT_SOCK,
EXT2_FT_SYMLINK,
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
-@@ -188,6 +188,7 @@
+@@ -188,6 +188,7 @@ struct inodes_stat_t {
#define MS_REMOUNT 32 /* Alter flags of a mounted FS */
#define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */
#define MS_DIRSYNC 128 /* Directory modifications are synchronous */
#define MS_NOATIME 1024 /* Do not update access times. */
#define MS_NODIRATIME 2048 /* Do not update directory access times */
#define MS_BIND 4096
-@@ -205,6 +206,7 @@
+@@ -205,6 +206,7 @@ struct inodes_stat_t {
#define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */
#define MS_I_VERSION (1<<23) /* Update inode I_version field */
#define MS_STRICTATIME (1<<24) /* Always perform atime updates */
#define MS_ACTIVE (1<<30)
#define MS_NOUSER (1<<31)
-@@ -231,6 +233,7 @@
+@@ -231,6 +233,7 @@ struct inodes_stat_t {
#define S_NOCMTIME 128 /* Do not update file c/mtime */
#define S_SWAPFILE 256 /* Do not truncate: swapon got its bmaps */
#define S_PRIVATE 512 /* Inode is fs-internal */
/*
* Note that nosuid etc flags are inode-specific: setting some file-system
-@@ -266,6 +269,8 @@
+@@ -266,6 +269,8 @@ struct inodes_stat_t {
#define IS_SWAPFILE(inode) ((inode)->i_flags & S_SWAPFILE)
#define IS_PRIVATE(inode) ((inode)->i_flags & S_PRIVATE)
/* the read-only stuff doesn't really belong here, but any other place is
probably as bad and I don't want to create yet another include file. */
-@@ -1379,6 +1384,11 @@
+@@ -1379,6 +1384,11 @@ struct super_block {
* generic_show_options()
*/
char *s_options;
};
extern struct timespec current_fs_time(struct super_block *sb);
-@@ -1521,6 +1531,8 @@
+@@ -1521,6 +1531,8 @@ struct inode_operations {
int (*mkdir) (struct inode *,struct dentry *,int);
int (*rmdir) (struct inode *,struct dentry *);
int (*mknod) (struct inode *,struct dentry *,int,dev_t);
int (*rename) (struct inode *, struct dentry *,
struct inode *, struct dentry *);
int (*readlink) (struct dentry *, char __user *,int);
-@@ -2094,6 +2106,7 @@
+@@ -2094,6 +2106,7 @@ extern void emergency_remount(void);
extern sector_t bmap(struct inode *, sector_t);
#endif
extern int notify_change(struct dentry *, struct iattr *);
extern int inode_permission(struct inode *, int);
extern int generic_permission(struct inode *, int,
int (*check_acl)(struct inode *, int));
-@@ -2121,7 +2134,7 @@
+@@ -2121,7 +2134,7 @@ extern void free_write_pipe(struct file
extern struct file *do_filp_open(int dfd, const char *pathname,
int open_flag, int mode, int acc_mode);
extern struct file * open_exec(const char *);
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
-@@ -35,6 +35,7 @@
+@@ -35,6 +35,7 @@ struct mnt_namespace;
#define MNT_SHARED 0x1000 /* if the vfsmount is a shared mount */
#define MNT_UNBINDABLE 0x2000 /* if the vfsmount is a unbindable mount */
#define MNT_PNODE_MASK 0x3000 /* propagation flag mask */
struct vfsmount {
struct list_head mnt_hash;
-@@ -53,6 +54,9 @@
+@@ -53,6 +54,9 @@ struct vfsmount {
struct list_head mnt_slave_list;/* list of slave mounts */
struct list_head mnt_slave; /* slave list entry */
struct vfsmount *mnt_master; /* slave is on master->mnt_slave_list */
int mnt_group_id; /* peer group identifier */
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
-@@ -20,6 +20,7 @@
+@@ -20,6 +20,7 @@ struct nameidata {
struct qstr last;
struct path root;
unsigned int flags;
int last_type;
unsigned depth;
char *saved_names[MAX_NESTED_LINKS + 1];
-@@ -35,6 +36,9 @@
+@@ -35,6 +36,9 @@ struct nameidata {
*/
enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND};
/*
* The bitmask for a lookup event:
* - follow links at the end
-@@ -49,6 +53,8 @@
+@@ -49,6 +53,8 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LA
#define LOOKUP_CONTINUE 4
#define LOOKUP_PARENT 16
#define LOOKUP_REVAL 64
+#endif /* __LINUX_UNION_H */
--- a/mm/shmem.c
+++ b/mm/shmem.c
-@@ -1794,6 +1794,118 @@
+@@ -1794,6 +1794,118 @@ static int shmem_statfs(struct dentry *d
return 0;
}
/*
* File creation. Allocate an inode, and we're done..
*/
-@@ -1818,15 +1930,16 @@
+@@ -1818,15 +1930,16 @@ shmem_mknod(struct inode *dir, struct de
iput(inode);
return error;
}
}
return error;
}
-@@ -1864,12 +1977,11 @@
+@@ -1864,12 +1977,11 @@ static int shmem_link(struct dentry *old
if (ret)
goto out;
out:
return ret;
}
-@@ -1878,21 +1990,63 @@
+@@ -1878,21 +1990,63 @@ static int shmem_unlink(struct inode *di
{
struct inode *inode = dentry->d_inode;
drop_nlink(dentry->d_inode);
drop_nlink(dir);
return shmem_unlink(dir, dentry);
-@@ -1901,7 +2055,7 @@
+@@ -1901,7 +2055,7 @@ static int shmem_rmdir(struct inode *dir
/*
* The VFS layer already does all the dentry stuff for rename,
* we just have to decrement the usage count for the target if
* gets overwritten.
*/
static int shmem_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry)
-@@ -1912,7 +2066,12 @@
+@@ -1912,7 +2066,12 @@ static int shmem_rename(struct inode *ol
if (!simple_empty(new_dentry))
return -ENOTEMPTY;
(void) shmem_unlink(new_dir, new_dentry);
if (they_are_dirs)
drop_nlink(old_dir);
-@@ -1977,12 +2136,12 @@
+@@ -1977,12 +2136,12 @@ static int shmem_symlink(struct inode *d
set_page_dirty(page);
page_cache_release(page);
}
return 0;
}
-@@ -2363,6 +2522,12 @@
+@@ -2363,6 +2522,12 @@ static int shmem_fill_super(struct super
if (!root)
goto failed_iput;
sb->s_root = root;
return 0;
failed_iput:
-@@ -2462,6 +2627,8 @@
+@@ -2462,6 +2627,8 @@ static const struct inode_operations shm
.rmdir = shmem_rmdir,
.mknod = shmem_mknod,
.rename = shmem_rename,
projects / openwrt / staging / lynxis.git / commitdiff