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| author | Jes Sorensen <jes@sgi.com> | 2006-01-09 15:59:24 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@hera.kernel.org> | 2006-01-09 15:59:24 -0800 |
| commit | 1b1dcc1b57a49136f118a0f16367256ff9994a69 (patch) | |
| tree | b0b36d4f41d28c9d6514fb309d33c1a084d6309b /fs/block_dev.c | |
| parent | 794ee1baee1c26be40410233e6c20bceb2b03c08 (diff) | |
| download | lwn-1b1dcc1b57a49136f118a0f16367256ff9994a69.tar.gz lwn-1b1dcc1b57a49136f118a0f16367256ff9994a69.zip | |
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
This patch converts the inode semaphore to a mutex. I have tested it on
XFS and compiled as much as one can consider on an ia64. Anyway your
luck with it might be different.
Modified-by: Ingo Molnar <mingo@elte.hu>
(finished the conversion)
Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index e0df94c37b7e..6e50346fb1ee 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -202,7 +202,7 @@ static loff_t block_llseek(struct file *file, loff_t offset, int origin) loff_t size; loff_t retval; - down(&bd_inode->i_sem); + mutex_lock(&bd_inode->i_mutex); size = i_size_read(bd_inode); switch (origin) { @@ -219,7 +219,7 @@ static loff_t block_llseek(struct file *file, loff_t offset, int origin) } retval = offset; } - up(&bd_inode->i_sem); + mutex_unlock(&bd_inode->i_mutex); return retval; } |