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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-05 18:32:43 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-05 18:32:43 -0800 |
commit | 10cc04f5a01041ffff068b3f9b195bfdc5290c45 (patch) | |
tree | 5c53027ce5299075759b70e1447ce811ba1afdf0 /fs/ocfs2/suballoc.h | |
parent | 520c85346666d4d9a6fcaaa8450542302dc28b91 (diff) | |
parent | 9047beabb8a396f0b18de1e4a9ab920cf92054af (diff) |
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: (138 commits)
ocfs2: Access the right buffer_head in ocfs2_merge_rec_left.
ocfs2: use min_t in ocfs2_quota_read()
ocfs2: remove unneeded lvb casts
ocfs2: Add xattr support checking in init_security
ocfs2: alloc xattr bucket in ocfs2_xattr_set_handle
ocfs2: calculate and reserve credits for xattr value in mknod
ocfs2/xattr: fix credits calculation during index create
ocfs2/xattr: Always updating ctime during xattr set.
ocfs2/xattr: Remove extend_trans call and add its credits from the beginning
ocfs2/dlm: Fix race during lockres mastery
ocfs2/dlm: Fix race in adding/removing lockres' to/from the tracking list
ocfs2/dlm: Hold off sending lockres drop ref message while lockres is migrating
ocfs2/dlm: Clean up errors in dlm_proxy_ast_handler()
ocfs2/dlm: Fix a race between migrate request and exit domain
ocfs2: One more hamming code optimization.
ocfs2: Another hamming code optimization.
ocfs2: Don't hand-code xor in ocfs2_hamming_encode().
ocfs2: Enable metadata checksums.
ocfs2: Validate superblock with checksum and ecc.
ocfs2: Checksum and ECC for directory blocks.
...
Diffstat (limited to 'fs/ocfs2/suballoc.h')
-rw-r--r-- | fs/ocfs2/suballoc.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 4df159d8f45..e3c13c77f9e 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -164,10 +164,24 @@ void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac); * and return that block offset. */ u64 ocfs2_which_cluster_group(struct inode *inode, u32 cluster); -/* somewhat more expensive than our other checks, so use sparingly. */ +/* + * By default, ocfs2_read_group_descriptor() calls ocfs2_error() when it + * finds a problem. A caller that wants to check a group descriptor + * without going readonly should read the block with ocfs2_read_block[s]() + * and then checking it with this function. This is only resize, really. + * Everyone else should be using ocfs2_read_group_descriptor(). + */ int ocfs2_check_group_descriptor(struct super_block *sb, struct ocfs2_dinode *di, - struct ocfs2_group_desc *gd); + struct buffer_head *bh); +/* + * Read a group descriptor block into *bh. If *bh is NULL, a bh will be + * allocated. This is a cached read. The descriptor will be validated with + * ocfs2_validate_group_descriptor(). + */ +int ocfs2_read_group_descriptor(struct inode *inode, struct ocfs2_dinode *di, + u64 gd_blkno, struct buffer_head **bh); + int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_extent_tree *et, u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, |