diff options
Diffstat (limited to 'include/linux/jbd2.h')
| -rw-r--r-- | include/linux/jbd2.h | 49 |
1 files changed, 25 insertions, 24 deletions
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 260d6d76c5f..06ef1145705 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -13,8 +13,8 @@ * filesystem journaling support. */ -#ifndef _LINUX_JBD_H -#define _LINUX_JBD_H +#ifndef _LINUX_JBD2_H +#define _LINUX_JBD2_H /* Allow this file to be included directly into e2fsprogs */ #ifndef __KERNEL__ @@ -37,26 +37,26 @@ #define journal_oom_retry 1 /* - * Define JBD_PARANIOD_IOFAIL to cause a kernel BUG() if ext3 finds + * Define JBD2_PARANIOD_IOFAIL to cause a kernel BUG() if ext4 finds * certain classes of error which can occur due to failed IOs. Under - * normal use we want ext3 to continue after such errors, because + * normal use we want ext4 to continue after such errors, because * hardware _can_ fail, but for debugging purposes when running tests on * known-good hardware we may want to trap these errors. */ -#undef JBD_PARANOID_IOFAIL +#undef JBD2_PARANOID_IOFAIL /* * The default maximum commit age, in seconds. */ -#define JBD_DEFAULT_MAX_COMMIT_AGE 5 +#define JBD2_DEFAULT_MAX_COMMIT_AGE 5 #ifdef CONFIG_JBD2_DEBUG /* - * Define JBD_EXPENSIVE_CHECKING to enable more expensive internal + * Define JBD2_EXPENSIVE_CHECKING to enable more expensive internal * consistency checks. By default we don't do this unless * CONFIG_JBD2_DEBUG is on. */ -#define JBD_EXPENSIVE_CHECKING +#define JBD2_EXPENSIVE_CHECKING extern u8 jbd2_journal_enable_debug; #define jbd_debug(n, f, a...) \ @@ -71,14 +71,15 @@ extern u8 jbd2_journal_enable_debug; #define jbd_debug(f, a...) /**/ #endif -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); +static inline void *jbd2_alloc(size_t size, gfp_t flags) +{ + return (void *)__get_free_pages(flags, get_order(size)); +} -#define jbd_kmalloc(size, flags) \ - __jbd2_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry) -#define jbd_rep_kmalloc(size, flags) \ - __jbd2_kmalloc(__FUNCTION__, (size), (flags), 1) +static inline void jbd2_free(void *ptr, size_t size) +{ + free_pages((unsigned long)ptr, get_order(size)); +}; #define JBD2_MIN_JOURNAL_BLOCKS 1024 @@ -162,8 +163,8 @@ typedef struct journal_block_tag_s __be32 t_blocknr_high; /* most-significant high 32bits. */ } journal_block_tag_t; -#define JBD_TAG_SIZE32 (offsetof(journal_block_tag_t, t_blocknr_high)) -#define JBD_TAG_SIZE64 (sizeof(journal_block_tag_t)) +#define JBD2_TAG_SIZE32 (offsetof(journal_block_tag_t, t_blocknr_high)) +#define JBD2_TAG_SIZE64 (sizeof(journal_block_tag_t)) /* * The revoke descriptor: used on disk to describe a series of blocks to @@ -255,8 +256,8 @@ typedef struct journal_superblock_s #include <linux/fs.h> #include <linux/sched.h> -#define JBD_ASSERTIONS -#ifdef JBD_ASSERTIONS +#define JBD2_ASSERTIONS +#ifdef JBD2_ASSERTIONS #define J_ASSERT(assert) \ do { \ if (!(assert)) { \ @@ -283,9 +284,9 @@ void buffer_assertion_failure(struct buffer_head *bh); #else #define J_ASSERT(assert) do { } while (0) -#endif /* JBD_ASSERTIONS */ +#endif /* JBD2_ASSERTIONS */ -#if defined(JBD_PARANOID_IOFAIL) +#if defined(JBD2_PARANOID_IOFAIL) #define J_EXPECT(expr, why...) J_ASSERT(expr) #define J_EXPECT_BH(bh, expr, why...) J_ASSERT_BH(bh, expr) #define J_EXPECT_JH(jh, expr, why...) J_ASSERT_JH(jh, expr) @@ -959,12 +960,12 @@ void jbd2_journal_put_journal_head(struct journal_head *jh); */ extern struct kmem_cache *jbd2_handle_cache; -static inline handle_t *jbd_alloc_handle(gfp_t gfp_flags) +static inline handle_t *jbd2_alloc_handle(gfp_t gfp_flags) { return kmem_cache_alloc(jbd2_handle_cache, gfp_flags); } -static inline void jbd_free_handle(handle_t *handle) +static inline void jbd2_free_handle(handle_t *handle) { kmem_cache_free(jbd2_handle_cache, handle); } @@ -1103,4 +1104,4 @@ extern int jbd_blocks_per_page(struct inode *inode); #endif /* __KERNEL__ */ -#endif /* _LINUX_JBD_H */ +#endif /* _LINUX_JBD2_H */ |