diff options
| author | Theodore Ts'o <tytso@mit.edu> | 2011-01-10 12:29:43 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-01-10 12:29:43 -0500 |
| commit | 8aefcd557d26d0023a36f9ec5afbf55e59f8f26b (patch) | |
| tree | e13143306cd64525cddd2cc2513c448275a1d95a /fs/ext4/ext4.h | |
| parent | 353eb83c1422c6326eaab30ce044a179c6018169 (diff) | |
| download | lwn-8aefcd557d26d0023a36f9ec5afbf55e59f8f26b.tar.gz lwn-8aefcd557d26d0023a36f9ec5afbf55e59f8f26b.zip | |
ext4: dynamically allocate the jbd2_inode in ext4_inode_info as necessary
Replace the jbd2_inode structure (which is 48 bytes) with a pointer
and only allocate the jbd2_inode when it is needed --- that is, when
the file system has a journal present and the inode has been opened
for writing. This allows us to further slim down the ext4_inode_info
structure.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 2fb531cfd48b..32b7daa41a42 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -811,7 +811,7 @@ struct ext4_inode_info { */ struct rw_semaphore i_data_sem; struct inode vfs_inode; - struct jbd2_inode jinode; + struct jbd2_inode *jinode; struct ext4_ext_cache i_cached_extent; /* |