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| author | Theodore Ts'o <tytso@mit.edu> | 2011-06-27 19:16:02 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-06-27 19:16:02 -0400 |
| commit | 1f7d1e77419050831a905353683807fa69a26625 (patch) | |
| tree | 0f32626160b1ecab1e6067ff0e94746c3da068c4 /fs/ext4/ext4.h | |
| parent | 8bb2b247124ba6093455d4aef26743b1bef27bc5 (diff) | |
| download | lwn-1f7d1e77419050831a905353683807fa69a26625.tar.gz lwn-1f7d1e77419050831a905353683807fa69a26625.zip | |
ext4: move __ext4_check_blockref to block_validity.c
In preparation for moving the indirect functions to a separate file,
move __ext4_check_blockref() to block_validity.c and rename it to
ext4_check_blockref() which is exported as globally visible function.
Also, rename the cpp macro ext4_check_inode_blockref() to
ext4_ind_check_inode(), to make it clear that it is only valid for use
with non-extent mapped inodes.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 8532dd43d320..82ba7eb7c4a5 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2125,6 +2125,19 @@ static inline void ext4_mark_super_dirty(struct super_block *sb) } /* + * Block validity checking + */ +#define ext4_check_indirect_blockref(inode, bh) \ + ext4_check_blockref(__func__, __LINE__, inode, \ + (__le32 *)(bh)->b_data, \ + EXT4_ADDR_PER_BLOCK((inode)->i_sb)) + +#define ext4_ind_check_inode(inode) \ + ext4_check_blockref(__func__, __LINE__, inode, \ + EXT4_I(inode)->i_data, \ + EXT4_NDIR_BLOCKS) + +/* * Inodes and files operations */ @@ -2153,6 +2166,8 @@ extern void ext4_exit_system_zone(void); extern int ext4_data_block_valid(struct ext4_sb_info *sbi, ext4_fsblk_t start_blk, unsigned int count); +extern int ext4_check_blockref(const char *, unsigned int, + struct inode *, __le32 *, unsigned int); /* extents.c */ extern int ext4_ext_tree_init(handle_t *handle, struct inode *); |