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| author |   zhengliang <zhengliang6@huawei.com> | 2020-07-01 16:30:27 +0800 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2020-08-06 00:53:18 -0400 |
| commit | 9a5d265fed014115f35e598022c956e5d2fb863e (patch) | |
| tree | b2596f4b8704b8d76f78ad994621165819229c27 /fs/ext4/inode.c | |
| parent | jbd2: add the missing unlock_buffer() in the error path of jbd2_write_superblock() (diff) | |
| download | linux-dev-9a5d265fed014115f35e598022c956e5d2fb863e.tar.xz linux-dev-9a5d265fed014115f35e598022c956e5d2fb863e.zip | |
ext4: lost matching-pair of trace in ext4_truncate
It should call trace exit in all return path for ext4_truncate.
Signed-off-by: zhengliang <zhengliang6@huawei.com>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Link: https://lore.kernel.org/r/20200701083027.45996-1-zhengliang6@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/inode.c')
| -rw-r--r-- | fs/ext4/inode.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 10dd470876b3..6187c8880c02 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -4163,7 +4163,7 @@ int ext4_truncate(struct inode *inode) trace_ext4_truncate_enter(inode); if (!ext4_can_truncate(inode)) - return 0; + goto out_trace; if (inode->i_size == 0 && !test_opt(inode->i_sb, NO_AUTO_DA_ALLOC)) ext4_set_inode_state(inode, EXT4_STATE_DA_ALLOC_CLOSE); @@ -4172,16 +4172,14 @@ int ext4_truncate(struct inode *inode) int has_inline = 1; err = ext4_inline_data_truncate(inode, &has_inline); - if (err) - return err; - if (has_inline) - return 0; + if (err || has_inline) + goto out_trace; } /* If we zero-out tail of the page, we have to create jinode for jbd2 */ if (inode->i_size & (inode->i_sb->s_blocksize - 1)) { if (ext4_inode_attach_jinode(inode) < 0) - return 0; + goto out_trace; } if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) @@ -4190,8 +4188,10 @@ int ext4_truncate(struct inode *inode) credits = ext4_blocks_for_truncate(inode); handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE, credits); - if (IS_ERR(handle)) - return PTR_ERR(handle); + if (IS_ERR(handle)) { + err = PTR_ERR(handle); + goto out_trace; + } if (inode->i_size & (inode->i_sb->s_blocksize - 1)) ext4_block_truncate_page(handle, mapping, inode->i_size); @@ -4242,6 +4242,7 @@ out_stop: err = err2; ext4_journal_stop(handle); +out_trace: trace_ext4_truncate_exit(inode); return err; } |