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| author | hongnanli <hongnan.li@linux.alibaba.com> | 2022-01-21 15:06:11 +0800 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2022-02-03 10:57:53 -0500 |
| commit | f340b3d9027485945d59f9c04f1e33070b02cae2 (patch) | |
| tree | d7e4ce497f7150296c272d4143e04dc5b5a2c515 /fs/ext4/extents.c | |
| parent | 8fca8a2b0a822f7936130af7299d2fd7f0a66714 (diff) | |
| download | linux-f340b3d9027485945d59f9c04f1e33070b02cae2.tar.gz | |
fs/ext4: fix comments mentioning i_mutex
inode->i_mutex has been replaced with inode->i_rwsem long ago. Fix
comments still mentioning i_mutex.
Signed-off-by: hongnanli <hongnan.li@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220121070611.21618-1-hongnan.li@linux.alibaba.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/extents.c')
| -rw-r--r-- | fs/ext4/extents.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 3ce4fc250b0da0..190c284e0a8124 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -97,7 +97,7 @@ static int ext4_ext_trunc_restart_fn(struct inode *inode, int *dropped) * Drop i_data_sem to avoid deadlock with ext4_map_blocks. At this * moment, get_block can be called only for blocks inside i_size since * page cache has been already dropped and writes are blocked by - * i_mutex. So we can safely drop the i_data_sem here. + * i_rwsem. So we can safely drop the i_data_sem here. */ BUG_ON(EXT4_JOURNAL(inode) == NULL); ext4_discard_preallocations(inode, 0); @@ -4574,7 +4574,7 @@ static long ext4_zero_range(struct file *file, loff_t offset, flags = EXT4_GET_BLOCKS_CREATE_UNWRIT_EXT; - /* Wait all existing dio workers, newcomers will block on i_mutex */ + /* Wait all existing dio workers, newcomers will block on i_rwsem */ inode_dio_wait(inode); /* Preallocate the range including the unaligned edges */ @@ -4740,7 +4740,7 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len) goto out; } - /* Wait all existing dio workers, newcomers will block on i_mutex */ + /* Wait all existing dio workers, newcomers will block on i_rwsem */ inode_dio_wait(inode); ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size, flags); @@ -5573,7 +5573,7 @@ out_mutex: * stuff such as page-cache locking consistency, bh mapping consistency or * extent's data copying must be performed by caller. * Locking: - * i_mutex is held for both inodes + * i_rwsem is held for both inodes * i_data_sem is locked for write for both inodes * Assumptions: * All pages from requested range are locked for both inodes |