#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/jffs2.h>
-#include <linux/jffs2_fs_i.h>
-#include <linux/jffs2_fs_sb.h>
+#include "jffs2_fs_i.h"
+#include "jffs2_fs_sb.h"
#include "nodelist.h"
#define JFFS2_RUBINMIPS_PRIORITY 10
#include <linux/fs.h>
#include <linux/crc32.h>
#include <linux/jffs2.h>
-#include <linux/jffs2_fs_i.h>
-#include <linux/jffs2_fs_sb.h>
+#include "jffs2_fs_i.h"
+#include "jffs2_fs_sb.h"
#include <linux/time.h>
#include "nodelist.h"
--- /dev/null
+/* $Id: jffs2_fs_i.h,v 1.19 2005/11/07 11:14:52 gleixner Exp $ */
+
+#ifndef _JFFS2_FS_I
+#define _JFFS2_FS_I
+
+#include <linux/version.h>
+#include <linux/rbtree.h>
+#include <asm/semaphore.h>
+
+struct jffs2_inode_info {
+ /* We need an internal mutex similar to inode->i_mutex.
+ Unfortunately, we can't used the existing one, because
+ either the GC would deadlock, or we'd have to release it
+ before letting GC proceed. Or we'd have to put ugliness
+ into the GC code so it didn't attempt to obtain the i_mutex
+ for the inode(s) which are already locked */
+ struct semaphore sem;
+
+ /* The highest (datanode) version number used for this ino */
+ uint32_t highest_version;
+
+ /* List of data fragments which make up the file */
+ struct rb_root fragtree;
+
+ /* There may be one datanode which isn't referenced by any of the
+ above fragments, if it contains a metadata update but no actual
+ data - or if this is a directory inode */
+ /* This also holds the _only_ dnode for symlinks/device nodes,
+ etc. */
+ struct jffs2_full_dnode *metadata;
+
+ /* Directory entries */
+ struct jffs2_full_dirent *dents;
+
+ /* The target path if this is the inode of a symlink */
+ unsigned char *target;
+
+ /* Some stuff we just have to keep in-core at all times, for each inode. */
+ struct jffs2_inode_cache *inocache;
+
+ uint16_t flags;
+ uint8_t usercompr;
+#if !defined (__ECOS)
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)
+ struct inode vfs_inode;
+#endif
+#endif
+};
+
+#endif /* _JFFS2_FS_I */
--- /dev/null
+/* $Id: jffs2_fs_sb.h,v 1.54 2005/09/21 13:37:34 dedekind Exp $ */
+
+#ifndef _JFFS2_FS_SB
+#define _JFFS2_FS_SB
+
+#include <linux/types.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <linux/completion.h>
+#include <asm/semaphore.h>
+#include <linux/timer.h>
+#include <linux/wait.h>
+#include <linux/list.h>
+#include <linux/rwsem.h>
+
+#define JFFS2_SB_FLAG_RO 1
+#define JFFS2_SB_FLAG_SCANNING 2 /* Flash scanning is in progress */
+#define JFFS2_SB_FLAG_BUILDING 4 /* File system building is in progress */
+
+struct jffs2_inodirty;
+
+/* A struct for the overall file system control. Pointers to
+ jffs2_sb_info structs are named `c' in the source code.
+ Nee jffs_control
+*/
+struct jffs2_sb_info {
+ struct mtd_info *mtd;
+
+ uint32_t highest_ino;
+ uint32_t checked_ino;
+
+ unsigned int flags;
+
+ struct task_struct *gc_task; /* GC task struct */
+ struct completion gc_thread_start; /* GC thread start completion */
+ struct completion gc_thread_exit; /* GC thread exit completion port */
+
+ struct semaphore alloc_sem; /* Used to protect all the following
+ fields, and also to protect against
+ out-of-order writing of nodes. And GC. */
+ uint32_t cleanmarker_size; /* Size of an _inline_ CLEANMARKER
+ (i.e. zero for OOB CLEANMARKER */
+
+ uint32_t flash_size;
+ uint32_t used_size;
+ uint32_t dirty_size;
+ uint32_t wasted_size;
+ uint32_t free_size;
+ uint32_t erasing_size;
+ uint32_t bad_size;
+ uint32_t sector_size;
+ uint32_t unchecked_size;
+
+ uint32_t nr_free_blocks;
+ uint32_t nr_erasing_blocks;
+
+ /* Number of free blocks there must be before we... */
+ uint8_t resv_blocks_write; /* ... allow a normal filesystem write */
+ uint8_t resv_blocks_deletion; /* ... allow a normal filesystem deletion */
+ uint8_t resv_blocks_gctrigger; /* ... wake up the GC thread */
+ uint8_t resv_blocks_gcbad; /* ... pick a block from the bad_list to GC */
+ uint8_t resv_blocks_gcmerge; /* ... merge pages when garbage collecting */
+
+ uint32_t nospc_dirty_size;
+
+ uint32_t nr_blocks;
+ struct jffs2_eraseblock *blocks; /* The whole array of blocks. Used for getting blocks
+ * from the offset (blocks[ofs / sector_size]) */
+ struct jffs2_eraseblock *nextblock; /* The block we're currently filling */
+
+ struct jffs2_eraseblock *gcblock; /* The block we're currently garbage-collecting */
+
+ struct list_head clean_list; /* Blocks 100% full of clean data */
+ struct list_head very_dirty_list; /* Blocks with lots of dirty space */
+ struct list_head dirty_list; /* Blocks with some dirty space */
+ struct list_head erasable_list; /* Blocks which are completely dirty, and need erasing */
+ struct list_head erasable_pending_wbuf_list; /* Blocks which need erasing but only after the current wbuf is flushed */
+ struct list_head erasing_list; /* Blocks which are currently erasing */
+ struct list_head erase_pending_list; /* Blocks which need erasing now */
+ struct list_head erase_complete_list; /* Blocks which are erased and need the clean marker written to them */
+ struct list_head free_list; /* Blocks which are free and ready to be used */
+ struct list_head bad_list; /* Bad blocks. */
+ struct list_head bad_used_list; /* Bad blocks with valid data in. */
+
+ spinlock_t erase_completion_lock; /* Protect free_list and erasing_list
+ against erase completion handler */
+ wait_queue_head_t erase_wait; /* For waiting for erases to complete */
+
+ wait_queue_head_t inocache_wq;
+ struct jffs2_inode_cache **inocache_list;
+ spinlock_t inocache_lock;
+
+ /* Sem to allow jffs2_garbage_collect_deletion_dirent to
+ drop the erase_completion_lock while it's holding a pointer
+ to an obsoleted node. I don't like this. Alternatives welcomed. */
+ struct semaphore erase_free_sem;
+
+ uint32_t wbuf_pagesize; /* 0 for NOR and other flashes with no wbuf */
+
+#ifdef CONFIG_JFFS2_FS_WRITEBUFFER
+ /* Write-behind buffer for NAND flash */
+ unsigned char *wbuf;
+ uint32_t wbuf_ofs;
+ uint32_t wbuf_len;
+ struct jffs2_inodirty *wbuf_inodes;
+
+ struct rw_semaphore wbuf_sem; /* Protects the write buffer */
+
+ /* Information about out-of-band area usage... */
+ struct nand_oobinfo *oobinfo;
+ uint32_t badblock_pos;
+ uint32_t fsdata_pos;
+ uint32_t fsdata_len;
+#endif
+
+ struct jffs2_summary *summary; /* Summary information */
+
+ /* OS-private pointer for getting back to master superblock info */
+ void *os_priv;
+};
+
+#endif /* _JFFS2_FB_SB */
#include <linux/fs.h>
#include <linux/types.h>
#include <linux/jffs2.h>
-#include <linux/jffs2_fs_sb.h>
-#include <linux/jffs2_fs_i.h>
+#include "jffs2_fs_sb.h"
+#include "jffs2_fs_i.h"
#include "summary.h"
#ifdef __ECOS
+++ /dev/null
-/* $Id: jffs2_fs_i.h,v 1.19 2005/11/07 11:14:52 gleixner Exp $ */
-
-#ifndef _JFFS2_FS_I
-#define _JFFS2_FS_I
-
-#include <linux/version.h>
-#include <linux/rbtree.h>
-#include <asm/semaphore.h>
-
-struct jffs2_inode_info {
- /* We need an internal mutex similar to inode->i_mutex.
- Unfortunately, we can't used the existing one, because
- either the GC would deadlock, or we'd have to release it
- before letting GC proceed. Or we'd have to put ugliness
- into the GC code so it didn't attempt to obtain the i_mutex
- for the inode(s) which are already locked */
- struct semaphore sem;
-
- /* The highest (datanode) version number used for this ino */
- uint32_t highest_version;
-
- /* List of data fragments which make up the file */
- struct rb_root fragtree;
-
- /* There may be one datanode which isn't referenced by any of the
- above fragments, if it contains a metadata update but no actual
- data - or if this is a directory inode */
- /* This also holds the _only_ dnode for symlinks/device nodes,
- etc. */
- struct jffs2_full_dnode *metadata;
-
- /* Directory entries */
- struct jffs2_full_dirent *dents;
-
- /* The target path if this is the inode of a symlink */
- unsigned char *target;
-
- /* Some stuff we just have to keep in-core at all times, for each inode. */
- struct jffs2_inode_cache *inocache;
-
- uint16_t flags;
- uint8_t usercompr;
-#if !defined (__ECOS)
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)
- struct inode vfs_inode;
-#endif
-#endif
-};
-
-#endif /* _JFFS2_FS_I */
+++ /dev/null
-/* $Id: jffs2_fs_sb.h,v 1.54 2005/09/21 13:37:34 dedekind Exp $ */
-
-#ifndef _JFFS2_FS_SB
-#define _JFFS2_FS_SB
-
-#include <linux/types.h>
-#include <linux/spinlock.h>
-#include <linux/workqueue.h>
-#include <linux/completion.h>
-#include <asm/semaphore.h>
-#include <linux/timer.h>
-#include <linux/wait.h>
-#include <linux/list.h>
-#include <linux/rwsem.h>
-
-#define JFFS2_SB_FLAG_RO 1
-#define JFFS2_SB_FLAG_SCANNING 2 /* Flash scanning is in progress */
-#define JFFS2_SB_FLAG_BUILDING 4 /* File system building is in progress */
-
-struct jffs2_inodirty;
-
-/* A struct for the overall file system control. Pointers to
- jffs2_sb_info structs are named `c' in the source code.
- Nee jffs_control
-*/
-struct jffs2_sb_info {
- struct mtd_info *mtd;
-
- uint32_t highest_ino;
- uint32_t checked_ino;
-
- unsigned int flags;
-
- struct task_struct *gc_task; /* GC task struct */
- struct completion gc_thread_start; /* GC thread start completion */
- struct completion gc_thread_exit; /* GC thread exit completion port */
-
- struct semaphore alloc_sem; /* Used to protect all the following
- fields, and also to protect against
- out-of-order writing of nodes. And GC. */
- uint32_t cleanmarker_size; /* Size of an _inline_ CLEANMARKER
- (i.e. zero for OOB CLEANMARKER */
-
- uint32_t flash_size;
- uint32_t used_size;
- uint32_t dirty_size;
- uint32_t wasted_size;
- uint32_t free_size;
- uint32_t erasing_size;
- uint32_t bad_size;
- uint32_t sector_size;
- uint32_t unchecked_size;
-
- uint32_t nr_free_blocks;
- uint32_t nr_erasing_blocks;
-
- /* Number of free blocks there must be before we... */
- uint8_t resv_blocks_write; /* ... allow a normal filesystem write */
- uint8_t resv_blocks_deletion; /* ... allow a normal filesystem deletion */
- uint8_t resv_blocks_gctrigger; /* ... wake up the GC thread */
- uint8_t resv_blocks_gcbad; /* ... pick a block from the bad_list to GC */
- uint8_t resv_blocks_gcmerge; /* ... merge pages when garbage collecting */
-
- uint32_t nospc_dirty_size;
-
- uint32_t nr_blocks;
- struct jffs2_eraseblock *blocks; /* The whole array of blocks. Used for getting blocks
- * from the offset (blocks[ofs / sector_size]) */
- struct jffs2_eraseblock *nextblock; /* The block we're currently filling */
-
- struct jffs2_eraseblock *gcblock; /* The block we're currently garbage-collecting */
-
- struct list_head clean_list; /* Blocks 100% full of clean data */
- struct list_head very_dirty_list; /* Blocks with lots of dirty space */
- struct list_head dirty_list; /* Blocks with some dirty space */
- struct list_head erasable_list; /* Blocks which are completely dirty, and need erasing */
- struct list_head erasable_pending_wbuf_list; /* Blocks which need erasing but only after the current wbuf is flushed */
- struct list_head erasing_list; /* Blocks which are currently erasing */
- struct list_head erase_pending_list; /* Blocks which need erasing now */
- struct list_head erase_complete_list; /* Blocks which are erased and need the clean marker written to them */
- struct list_head free_list; /* Blocks which are free and ready to be used */
- struct list_head bad_list; /* Bad blocks. */
- struct list_head bad_used_list; /* Bad blocks with valid data in. */
-
- spinlock_t erase_completion_lock; /* Protect free_list and erasing_list
- against erase completion handler */
- wait_queue_head_t erase_wait; /* For waiting for erases to complete */
-
- wait_queue_head_t inocache_wq;
- struct jffs2_inode_cache **inocache_list;
- spinlock_t inocache_lock;
-
- /* Sem to allow jffs2_garbage_collect_deletion_dirent to
- drop the erase_completion_lock while it's holding a pointer
- to an obsoleted node. I don't like this. Alternatives welcomed. */
- struct semaphore erase_free_sem;
-
- uint32_t wbuf_pagesize; /* 0 for NOR and other flashes with no wbuf */
-
-#ifdef CONFIG_JFFS2_FS_WRITEBUFFER
- /* Write-behind buffer for NAND flash */
- unsigned char *wbuf;
- uint32_t wbuf_ofs;
- uint32_t wbuf_len;
- struct jffs2_inodirty *wbuf_inodes;
-
- struct rw_semaphore wbuf_sem; /* Protects the write buffer */
-
- /* Information about out-of-band area usage... */
- struct nand_oobinfo *oobinfo;
- uint32_t badblock_pos;
- uint32_t fsdata_pos;
- uint32_t fsdata_len;
-#endif
-
- struct jffs2_summary *summary; /* Summary information */
-
- /* OS-private pointer for getting back to master superblock info */
- void *os_priv;
-};
-
-#endif /* _JFFS2_FB_SB */
projects / openwrt / staging / blogic.git / commitdiff