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| author | Amir Goldstein <amir73il@users.sf.net> | 2011-06-27 16:36:31 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-06-27 16:36:31 -0400 |
| commit | ff9893dc8aa622a4f122293a6861566a284edea5 (patch) | |
| tree | ca7d798360c32379fb4d3d0913d349ac79f55c6d /fs/ext4 | |
| parent | ed7a7e16724a4123fce1fc0ff1f5131a0596f189 (diff) | |
| download | linux-stable-ff9893dc8aa622a4f122293a6861566a284edea5.tar.gz linux-stable-ff9893dc8aa622a4f122293a6861566a284edea5.tar.bz2 linux-stable-ff9893dc8aa622a4f122293a6861566a284edea5.zip | |
ext4: split ext4_ind_truncate from ext4_truncate
We are about to move all indirect inode functions to a new file.
Before we do that, let's split ext4_ind_truncate() out of ext4_truncate()
leaving only generic code in the latter, so we will be able to move
ext4_ind_truncate() to the new file.
Signed-off-by: Amir Goldstein <amir73il@users.sf.net>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/ext4.h | 2 | ||||
| -rw-r--r-- | fs/ext4/inode.c | 36 |
2 files changed, 22 insertions, 16 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 1921392cd708..8532dd43d320 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1834,6 +1834,8 @@ extern int ext4_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf); extern qsize_t *ext4_get_reserved_space(struct inode *inode); extern void ext4_da_update_reserve_space(struct inode *inode, int used, int quota_claim); +extern void ext4_ind_truncate(struct inode *inode); + /* ioctl.c */ extern long ext4_ioctl(struct file *, unsigned int, unsigned long); extern long ext4_compat_ioctl(struct file *, unsigned int, unsigned long); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index e3126c051006..a8f310b77f56 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -4471,6 +4471,26 @@ int ext4_punch_hole(struct file *file, loff_t offset, loff_t length) */ void ext4_truncate(struct inode *inode) { + trace_ext4_truncate_enter(inode); + + if (!ext4_can_truncate(inode)) + return; + + ext4_clear_inode_flag(inode, EXT4_INODE_EOFBLOCKS); + + if (inode->i_size == 0 && !test_opt(inode->i_sb, NO_AUTO_DA_ALLOC)) + ext4_set_inode_state(inode, EXT4_STATE_DA_ALLOC_CLOSE); + + if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) + ext4_ext_truncate(inode); + else + ext4_ind_truncate(inode); + + trace_ext4_truncate_exit(inode); +} + +void ext4_ind_truncate(struct inode *inode) +{ handle_t *handle; struct ext4_inode_info *ei = EXT4_I(inode); __le32 *i_data = ei->i_data; @@ -4484,22 +4504,6 @@ void ext4_truncate(struct inode *inode) ext4_lblk_t last_block, max_block; unsigned blocksize = inode->i_sb->s_blocksize; - trace_ext4_truncate_enter(inode); - - if (!ext4_can_truncate(inode)) - return; - - ext4_clear_inode_flag(inode, EXT4_INODE_EOFBLOCKS); - - if (inode->i_size == 0 && !test_opt(inode->i_sb, NO_AUTO_DA_ALLOC)) - ext4_set_inode_state(inode, EXT4_STATE_DA_ALLOC_CLOSE); - - if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) { - ext4_ext_truncate(inode); - trace_ext4_truncate_exit(inode); - return; - } - handle = start_transaction(inode); if (IS_ERR(handle)) return; /* AKPM: return what? */ |