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| author | Zheng Liu <wenqing.lz@taobao.com> | 2013-02-18 00:31:07 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2013-02-18 00:31:07 -0500 |
| commit | 69eb33dc24dc44d1128aa5e82d0976c42b440c1a (patch) | |
| tree | a20982f1fb23b94fe08e6034faea33ed81e4626f /fs/ext4/ext4.h | |
| parent | d100eef2440fea13e4f09e88b1c8bcbca64beb9f (diff) | |
| download | op-kernel-dev-69eb33dc24dc44d1128aa5e82d0976c42b440c1a.zip op-kernel-dev-69eb33dc24dc44d1128aa5e82d0976c42b440c1a.tar.gz | |
ext4: remove single extent cache
Single extent cache could be removed because we have extent status tree
as a extent cache, and it would be better.
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Jan kara <jack@suse.cz>
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 329e7fb..0c565c9 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -809,17 +809,6 @@ do { \ #endif /* defined(__KERNEL__) || defined(__linux__) */ -/* - * storage for cached extent - * If ec_len == 0, then the cache is invalid. - * If ec_start == 0, then the cache represents a gap (null mapping) - */ -struct ext4_ext_cache { - ext4_fsblk_t ec_start; - ext4_lblk_t ec_block; - __u32 ec_len; /* must be 32bit to return holes */ -}; - #include "extents_status.h" /* @@ -886,7 +875,6 @@ struct ext4_inode_info { struct inode vfs_inode; struct jbd2_inode *jinode; - struct ext4_ext_cache i_cached_extent; /* * File creation time. Its function is same as that of * struct timespec i_{a,c,m}time in the generic inode. |
