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authorMingming Cao <cmm@us.ibm.com>2006-10-11 01:20:59 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-11 11:14:15 -0700
commitf7f4bccb729844a0fa873e224e3a6f7eeed095bb (patch)
treeb5b8ce65b5c17b4a7d45e43a3530f2cc977fb894 /include/linux/jbd2.h
parent470decc613ab2048b619a01028072d932d9086ee (diff)
downloadop-kernel-dev-f7f4bccb729844a0fa873e224e3a6f7eeed095bb.zip
op-kernel-dev-f7f4bccb729844a0fa873e224e3a6f7eeed095bb.tar.gz
[PATCH] jbd2: rename jbd2 symbols to avoid duplication of jbd symbols
Mingming Cao originally did this work, and Shaggy reproduced it using some scripts from her. Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/jbd2.h')
-rw-r--r--include/linux/jbd2.h248
1 files changed, 124 insertions, 124 deletions
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index fe89444..3251f7a 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -1,5 +1,5 @@
/*
- * linux/include/linux/jbd.h
+ * linux/include/linux/jbd2.h
*
* Written by Stephen C. Tweedie <sct@redhat.com>
*
@@ -19,7 +19,7 @@
/* Allow this file to be included directly into e2fsprogs */
#ifndef __KERNEL__
#include "jfs_compat.h"
-#define JFS_DEBUG
+#define JBD2_DEBUG
#define jfs_debug jbd_debug
#else
@@ -57,11 +57,11 @@
* CONFIG_JBD_DEBUG is on.
*/
#define JBD_EXPENSIVE_CHECKING
-extern int journal_enable_debug;
+extern int jbd2_journal_enable_debug;
#define jbd_debug(n, f, a...) \
do { \
- if ((n) <= journal_enable_debug) { \
+ if ((n) <= jbd2_journal_enable_debug) { \
printk (KERN_DEBUG "(%s, %d): %s: ", \
__FILE__, __LINE__, __FUNCTION__); \
printk (f, ## a); \
@@ -71,16 +71,16 @@ extern int journal_enable_debug;
#define jbd_debug(f, a...) /**/
#endif
-extern void * __jbd_kmalloc (const char *where, size_t size, gfp_t flags, int retry);
-extern void * jbd_slab_alloc(size_t size, gfp_t flags);
-extern void jbd_slab_free(void *ptr, size_t size);
+extern void * __jbd2_kmalloc (const char *where, size_t size, gfp_t flags, int retry);
+extern void * jbd2_slab_alloc(size_t size, gfp_t flags);
+extern void jbd2_slab_free(void *ptr, size_t size);
#define jbd_kmalloc(size, flags) \
- __jbd_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry)
+ __jbd2_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry)
#define jbd_rep_kmalloc(size, flags) \
- __jbd_kmalloc(__FUNCTION__, (size), (flags), 1)
+ __jbd2_kmalloc(__FUNCTION__, (size), (flags), 1)
-#define JFS_MIN_JOURNAL_BLOCKS 1024
+#define JBD2_MIN_JOURNAL_BLOCKS 1024
#ifdef __KERNEL__
@@ -122,7 +122,7 @@ typedef struct journal_s journal_t; /* Journal control structure */
* Internal structures used by the logging mechanism:
*/
-#define JFS_MAGIC_NUMBER 0xc03b3998U /* The first 4 bytes of /dev/random! */
+#define JBD2_MAGIC_NUMBER 0xc03b3998U /* The first 4 bytes of /dev/random! */
/*
* On-disk structures
@@ -132,11 +132,11 @@ typedef struct journal_s journal_t; /* Journal control structure */
* Descriptor block types:
*/
-#define JFS_DESCRIPTOR_BLOCK 1
-#define JFS_COMMIT_BLOCK 2
-#define JFS_SUPERBLOCK_V1 3
-#define JFS_SUPERBLOCK_V2 4
-#define JFS_REVOKE_BLOCK 5
+#define JBD2_DESCRIPTOR_BLOCK 1
+#define JBD2_COMMIT_BLOCK 2
+#define JBD2_SUPERBLOCK_V1 3
+#define JBD2_SUPERBLOCK_V2 4
+#define JBD2_REVOKE_BLOCK 5
/*
* Standard header for all descriptor blocks:
@@ -162,18 +162,18 @@ typedef struct journal_block_tag_s
* The revoke descriptor: used on disk to describe a series of blocks to
* be revoked from the log
*/
-typedef struct journal_revoke_header_s
+typedef struct jbd2_journal_revoke_header_s
{
journal_header_t r_header;
__be32 r_count; /* Count of bytes used in the block */
-} journal_revoke_header_t;
+} jbd2_journal_revoke_header_t;
/* Definitions for the journal tag flags word: */
-#define JFS_FLAG_ESCAPE 1 /* on-disk block is escaped */
-#define JFS_FLAG_SAME_UUID 2 /* block has same uuid as previous */
-#define JFS_FLAG_DELETED 4 /* block deleted by this transaction */
-#define JFS_FLAG_LAST_TAG 8 /* last tag in this descriptor block */
+#define JBD2_FLAG_ESCAPE 1 /* on-disk block is escaped */
+#define JBD2_FLAG_SAME_UUID 2 /* block has same uuid as previous */
+#define JBD2_FLAG_DELETED 4 /* block deleted by this transaction */
+#define JBD2_FLAG_LAST_TAG 8 /* last tag in this descriptor block */
/*
@@ -196,7 +196,7 @@ typedef struct journal_superblock_s
__be32 s_start; /* blocknr of start of log */
/* 0x0020 */
- /* Error value, as set by journal_abort(). */
+ /* Error value, as set by jbd2_journal_abort(). */
__be32 s_errno;
/* 0x0024 */
@@ -224,22 +224,22 @@ typedef struct journal_superblock_s
/* 0x0400 */
} journal_superblock_t;
-#define JFS_HAS_COMPAT_FEATURE(j,mask) \
+#define JBD2_HAS_COMPAT_FEATURE(j,mask) \
((j)->j_format_version >= 2 && \
((j)->j_superblock->s_feature_compat & cpu_to_be32((mask))))
-#define JFS_HAS_RO_COMPAT_FEATURE(j,mask) \
+#define JBD2_HAS_RO_COMPAT_FEATURE(j,mask) \
((j)->j_format_version >= 2 && \
((j)->j_superblock->s_feature_ro_compat & cpu_to_be32((mask))))
-#define JFS_HAS_INCOMPAT_FEATURE(j,mask) \
+#define JBD2_HAS_INCOMPAT_FEATURE(j,mask) \
((j)->j_format_version >= 2 && \
((j)->j_superblock->s_feature_incompat & cpu_to_be32((mask))))
-#define JFS_FEATURE_INCOMPAT_REVOKE 0x00000001
+#define JBD2_FEATURE_INCOMPAT_REVOKE 0x00000001
/* Features known to this kernel version: */
-#define JFS_KNOWN_COMPAT_FEATURES 0
-#define JFS_KNOWN_ROCOMPAT_FEATURES 0
-#define JFS_KNOWN_INCOMPAT_FEATURES JFS_FEATURE_INCOMPAT_REVOKE
+#define JBD2_KNOWN_COMPAT_FEATURES 0
+#define JBD2_KNOWN_ROCOMPAT_FEATURES 0
+#define JBD2_KNOWN_INCOMPAT_FEATURES JBD2_FEATURE_INCOMPAT_REVOKE
#ifdef __KERNEL__
@@ -359,7 +359,7 @@ static inline void jbd_unlock_bh_journal_head(struct buffer_head *bh)
bit_spin_unlock(BH_JournalHead, &bh->b_state);
}
-struct jbd_revoke_table_s;
+struct jbd2_revoke_table_s;
/**
* struct handle_s - The handle_s type is the concrete type associated with
@@ -445,7 +445,7 @@ struct transaction_s
/*
* Transaction's current state
- * [no locking - only kjournald alters this]
+ * [no locking - only kjournald2 alters this]
* FIXME: needs barriers
* KLUDGE: [use j_state_lock]
*/
@@ -621,7 +621,7 @@ struct transaction_s
* @j_revoke: The revoke table - maintains the list of revoked blocks in the
* current transaction.
* @j_revoke_table: alternate revoke tables for j_revoke
- * @j_wbuf: array of buffer_heads for journal_commit_transaction
+ * @j_wbuf: array of buffer_heads for jbd2_journal_commit_transaction
* @j_wbufsize: maximum number of buffer_heads allowed in j_wbuf, the
* number that will fit in j_blocksize
* @j_last_sync_writer: most recent pid which did a synchronous write
@@ -805,11 +805,11 @@ struct journal_s
* current transaction. [j_revoke_lock]
*/
spinlock_t j_revoke_lock;
- struct jbd_revoke_table_s *j_revoke;
- struct jbd_revoke_table_s *j_revoke_table[2];
+ struct jbd2_revoke_table_s *j_revoke;
+ struct jbd2_revoke_table_s *j_revoke_table[2];
/*
- * array of bhs for journal_commit_transaction
+ * array of bhs for jbd2_journal_commit_transaction
*/
struct buffer_head **j_wbuf;
int j_wbufsize;
@@ -826,12 +826,12 @@ struct journal_s
/*
* Journal flag definitions
*/
-#define JFS_UNMOUNT 0x001 /* Journal thread is being destroyed */
-#define JFS_ABORT 0x002 /* Journaling has been aborted for errors. */
-#define JFS_ACK_ERR 0x004 /* The errno in the sb has been acked */
-#define JFS_FLUSHED 0x008 /* The journal superblock has been flushed */
-#define JFS_LOADED 0x010 /* The journal superblock has been loaded */
-#define JFS_BARRIER 0x020 /* Use IDE barriers */
+#define JBD2_UNMOUNT 0x001 /* Journal thread is being destroyed */
+#define JBD2_ABORT 0x002 /* Journaling has been aborted for errors. */
+#define JBD2_ACK_ERR 0x004 /* The errno in the sb has been acked */
+#define JBD2_FLUSHED 0x008 /* The journal superblock has been flushed */
+#define JBD2_LOADED 0x010 /* The journal superblock has been loaded */
+#define JBD2_BARRIER 0x020 /* Use IDE barriers */
/*
* Function declarations for the journaling transaction and buffer
@@ -839,31 +839,31 @@ struct journal_s
*/
/* Filing buffers */
-extern void __journal_temp_unlink_buffer(struct journal_head *jh);
-extern void journal_unfile_buffer(journal_t *, struct journal_head *);
-extern void __journal_unfile_buffer(struct journal_head *);
-extern void __journal_refile_buffer(struct journal_head *);
-extern void journal_refile_buffer(journal_t *, struct journal_head *);
-extern void __journal_file_buffer(struct journal_head *, transaction_t *, int);
+extern void __jbd2_journal_temp_unlink_buffer(struct journal_head *jh);
+extern void jbd2_journal_unfile_buffer(journal_t *, struct journal_head *);
+extern void __jbd2_journal_unfile_buffer(struct journal_head *);
+extern void __jbd2_journal_refile_buffer(struct journal_head *);
+extern void jbd2_journal_refile_buffer(journal_t *, struct journal_head *);
+extern void __jbd2_journal_file_buffer(struct journal_head *, transaction_t *, int);
extern void __journal_free_buffer(struct journal_head *bh);
-extern void journal_file_buffer(struct journal_head *, transaction_t *, int);
+extern void jbd2_journal_file_buffer(struct journal_head *, transaction_t *, int);
extern void __journal_clean_data_list(transaction_t *transaction);
/* Log buffer allocation */
-extern struct journal_head * journal_get_descriptor_buffer(journal_t *);
-int journal_next_log_block(journal_t *, unsigned long *);
+extern struct journal_head * jbd2_journal_get_descriptor_buffer(journal_t *);
+int jbd2_journal_next_log_block(journal_t *, unsigned long *);
/* Commit management */
-extern void journal_commit_transaction(journal_t *);
+extern void jbd2_journal_commit_transaction(journal_t *);
/* Checkpoint list management */
-int __journal_clean_checkpoint_list(journal_t *journal);
-int __journal_remove_checkpoint(struct journal_head *);
-void __journal_insert_checkpoint(struct journal_head *, transaction_t *);
+int __jbd2_journal_clean_checkpoint_list(journal_t *journal);
+int __jbd2_journal_remove_checkpoint(struct journal_head *);
+void __jbd2_journal_insert_checkpoint(struct journal_head *, transaction_t *);
/* Buffer IO */
extern int
-journal_write_metadata_buffer(transaction_t *transaction,
+jbd2_journal_write_metadata_buffer(transaction_t *transaction,
struct journal_head *jh_in,
struct journal_head **jh_out,
unsigned long blocknr);
@@ -893,91 +893,91 @@ static inline handle_t *journal_current_handle(void)
* Register buffer modifications against the current transaction.
*/
-extern handle_t *journal_start(journal_t *, int nblocks);
-extern int journal_restart (handle_t *, int nblocks);
-extern int journal_extend (handle_t *, int nblocks);
-extern int journal_get_write_access(handle_t *, struct buffer_head *);
-extern int journal_get_create_access (handle_t *, struct buffer_head *);
-extern int journal_get_undo_access(handle_t *, struct buffer_head *);
-extern int journal_dirty_data (handle_t *, struct buffer_head *);
-extern int journal_dirty_metadata (handle_t *, struct buffer_head *);
-extern void journal_release_buffer (handle_t *, struct buffer_head *);
-extern int journal_forget (handle_t *, struct buffer_head *);
+extern handle_t *jbd2_journal_start(journal_t *, int nblocks);
+extern int jbd2_journal_restart (handle_t *, int nblocks);
+extern int jbd2_journal_extend (handle_t *, int nblocks);
+extern int jbd2_journal_get_write_access(handle_t *, struct buffer_head *);
+extern int jbd2_journal_get_create_access (handle_t *, struct buffer_head *);
+extern int jbd2_journal_get_undo_access(handle_t *, struct buffer_head *);
+extern int jbd2_journal_dirty_data (handle_t *, struct buffer_head *);
+extern int jbd2_journal_dirty_metadata (handle_t *, struct buffer_head *);
+extern void jbd2_journal_release_buffer (handle_t *, struct buffer_head *);
+extern int jbd2_journal_forget (handle_t *, struct buffer_head *);
extern void journal_sync_buffer (struct buffer_head *);
-extern void journal_invalidatepage(journal_t *,
+extern void jbd2_journal_invalidatepage(journal_t *,
struct page *, unsigned long);
-extern int journal_try_to_free_buffers(journal_t *, struct page *, gfp_t);
-extern int journal_stop(handle_t *);
-extern int journal_flush (journal_t *);
-extern void journal_lock_updates (journal_t *);
-extern void journal_unlock_updates (journal_t *);
+extern int jbd2_journal_try_to_free_buffers(journal_t *, struct page *, gfp_t);
+extern int jbd2_journal_stop(handle_t *);
+extern int jbd2_journal_flush (journal_t *);
+extern void jbd2_journal_lock_updates (journal_t *);
+extern void jbd2_journal_unlock_updates (journal_t *);
-extern journal_t * journal_init_dev(struct block_device *bdev,
+extern journal_t * jbd2_journal_init_dev(struct block_device *bdev,
struct block_device *fs_dev,
int start, int len, int bsize);
-extern journal_t * journal_init_inode (struct inode *);
-extern int journal_update_format (journal_t *);
-extern int journal_check_used_features
+extern journal_t * jbd2_journal_init_inode (struct inode *);
+extern int jbd2_journal_update_format (journal_t *);
+extern int jbd2_journal_check_used_features
(journal_t *, unsigned long, unsigned long, unsigned long);
-extern int journal_check_available_features
+extern int jbd2_journal_check_available_features
(journal_t *, unsigned long, unsigned long, unsigned long);
-extern int journal_set_features
+extern int jbd2_journal_set_features
(journal_t *, unsigned long, unsigned long, unsigned long);
-extern int journal_create (journal_t *);
-extern int journal_load (journal_t *journal);
-extern void journal_destroy (journal_t *);
-extern int journal_recover (journal_t *journal);
-extern int journal_wipe (journal_t *, int);
-extern int journal_skip_recovery (journal_t *);
-extern void journal_update_superblock (journal_t *, int);
-extern void __journal_abort_hard (journal_t *);
-extern void journal_abort (journal_t *, int);
-extern int journal_errno (journal_t *);
-extern void journal_ack_err (journal_t *);
-extern int journal_clear_err (journal_t *);
-extern int journal_bmap(journal_t *, unsigned long, unsigned long *);
-extern int journal_force_commit(journal_t *);
+extern int jbd2_journal_create (journal_t *);
+extern int jbd2_journal_load (journal_t *journal);
+extern void jbd2_journal_destroy (journal_t *);
+extern int jbd2_journal_recover (journal_t *journal);
+extern int jbd2_journal_wipe (journal_t *, int);
+extern int jbd2_journal_skip_recovery (journal_t *);
+extern void jbd2_journal_update_superblock (journal_t *, int);
+extern void __jbd2_journal_abort_hard (journal_t *);
+extern void jbd2_journal_abort (journal_t *, int);
+extern int jbd2_journal_errno (journal_t *);
+extern void jbd2_journal_ack_err (journal_t *);
+extern int jbd2_journal_clear_err (journal_t *);
+extern int jbd2_journal_bmap(journal_t *, unsigned long, unsigned long *);
+extern int jbd2_journal_force_commit(journal_t *);
/*
* journal_head management
*/
-struct journal_head *journal_add_journal_head(struct buffer_head *bh);
-struct journal_head *journal_grab_journal_head(struct buffer_head *bh);
-void journal_remove_journal_head(struct buffer_head *bh);
-void journal_put_journal_head(struct journal_head *jh);
+struct journal_head *jbd2_journal_add_journal_head(struct buffer_head *bh);
+struct journal_head *jbd2_journal_grab_journal_head(struct buffer_head *bh);
+void jbd2_journal_remove_journal_head(struct buffer_head *bh);
+void jbd2_journal_put_journal_head(struct journal_head *jh);
/*
* handle management
*/
-extern kmem_cache_t *jbd_handle_cache;
+extern kmem_cache_t *jbd2_handle_cache;
static inline handle_t *jbd_alloc_handle(gfp_t gfp_flags)
{
- return kmem_cache_alloc(jbd_handle_cache, gfp_flags);
+ return kmem_cache_alloc(jbd2_handle_cache, gfp_flags);
}
static inline void jbd_free_handle(handle_t *handle)
{
- kmem_cache_free(jbd_handle_cache, handle);
+ kmem_cache_free(jbd2_handle_cache, handle);
}
/* Primary revoke support */
#define JOURNAL_REVOKE_DEFAULT_HASH 256
-extern int journal_init_revoke(journal_t *, int);
-extern void journal_destroy_revoke_caches(void);
-extern int journal_init_revoke_caches(void);
+extern int jbd2_journal_init_revoke(journal_t *, int);
+extern void jbd2_journal_destroy_revoke_caches(void);
+extern int jbd2_journal_init_revoke_caches(void);
-extern void journal_destroy_revoke(journal_t *);
-extern int journal_revoke (handle_t *,
+extern void jbd2_journal_destroy_revoke(journal_t *);
+extern int jbd2_journal_revoke (handle_t *,
unsigned long, struct buffer_head *);
-extern int journal_cancel_revoke(handle_t *, struct journal_head *);
-extern void journal_write_revoke_records(journal_t *, transaction_t *);
+extern int jbd2_journal_cancel_revoke(handle_t *, struct journal_head *);
+extern void jbd2_journal_write_revoke_records(journal_t *, transaction_t *);
/* Recovery revoke support */
-extern int journal_set_revoke(journal_t *, unsigned long, tid_t);
-extern int journal_test_revoke(journal_t *, unsigned long, tid_t);
-extern void journal_clear_revoke(journal_t *);
-extern void journal_switch_revoke_table(journal_t *journal);
+extern int jbd2_journal_set_revoke(journal_t *, unsigned long, tid_t);
+extern int jbd2_journal_test_revoke(journal_t *, unsigned long, tid_t);
+extern void jbd2_journal_clear_revoke(journal_t *);
+extern void jbd2_journal_switch_revoke_table(journal_t *journal);
/*
* The log thread user interface:
@@ -986,17 +986,17 @@ extern void journal_switch_revoke_table(journal_t *journal);
* transitions on demand.
*/
-int __log_space_left(journal_t *); /* Called with journal locked */
-int log_start_commit(journal_t *journal, tid_t tid);
-int __log_start_commit(journal_t *journal, tid_t tid);
-int journal_start_commit(journal_t *journal, tid_t *tid);
-int journal_force_commit_nested(journal_t *journal);
-int log_wait_commit(journal_t *journal, tid_t tid);
-int log_do_checkpoint(journal_t *journal);
+int __jbd2_log_space_left(journal_t *); /* Called with journal locked */
+int jbd2_log_start_commit(journal_t *journal, tid_t tid);
+int __jbd2_log_start_commit(journal_t *journal, tid_t tid);
+int jbd2_journal_start_commit(journal_t *journal, tid_t *tid);
+int jbd2_journal_force_commit_nested(journal_t *journal);
+int jbd2_log_wait_commit(journal_t *journal, tid_t tid);
+int jbd2_log_do_checkpoint(journal_t *journal);
-void __log_wait_for_space(journal_t *journal);
-extern void __journal_drop_transaction(journal_t *, transaction_t *);
-extern int cleanup_journal_tail(journal_t *);
+void __jbd2_log_wait_for_space(journal_t *journal);
+extern void __jbd2_journal_drop_transaction(journal_t *, transaction_t *);
+extern int jbd2_cleanup_journal_tail(journal_t *);
/* Debugging code only: */
@@ -1010,7 +1010,7 @@ do { \
/*
* is_journal_abort
*
- * Simple test wrapper function to test the JFS_ABORT state flag. This
+ * Simple test wrapper function to test the JBD2_ABORT state flag. This
* bit, when set, indicates that we have had a fatal error somewhere,
* either inside the journaling layer or indicated to us by the client
* (eg. ext3), and that we and should not commit any further
@@ -1019,7 +1019,7 @@ do { \
static inline int is_journal_aborted(journal_t *journal)
{
- return journal->j_flags & JFS_ABORT;
+ return journal->j_flags & JBD2_ABORT;
}
static inline int is_handle_aborted(handle_t *handle)
@@ -1029,7 +1029,7 @@ static inline int is_handle_aborted(handle_t *handle)
return is_journal_aborted(handle->h_transaction->t_journal);
}
-static inline void journal_abort_handle(handle_t *handle)
+static inline void jbd2_journal_abort_handle(handle_t *handle)
{
handle->h_aborted = 1;
}
@@ -1051,7 +1051,7 @@ static inline int tid_geq(tid_t x, tid_t y)
return (difference >= 0);
}
-extern int journal_blocks_per_page(struct inode *inode);
+extern int jbd2_journal_blocks_per_page(struct inode *inode);
/*
* Return the minimum number of blocks which must be free in the journal
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