diff options
| 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 /drivers/char/mem.c | |
| parent | 794ee1baee1c26be40410233e6c20bceb2b03c08 (diff) | |
| download | op-kernel-dev-1b1dcc1b57a49136f118a0f16367256ff9994a69.zip op-kernel-dev-1b1dcc1b57a49136f118a0f16367256ff9994a69.tar.gz | |
[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 'drivers/char/mem.c')
| -rw-r--r-- | drivers/char/mem.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 5b2d180..704c3c0 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -741,7 +741,7 @@ static loff_t memory_lseek(struct file * file, loff_t offset, int orig) { loff_t ret; - down(&file->f_dentry->d_inode->i_sem); + mutex_lock(&file->f_dentry->d_inode->i_mutex); switch (orig) { case 0: file->f_pos = offset; @@ -756,7 +756,7 @@ static loff_t memory_lseek(struct file * file, loff_t offset, int orig) default: ret = -EINVAL; } - up(&file->f_dentry->d_inode->i_sem); + mutex_unlock(&file->f_dentry->d_inode->i_mutex); return ret; } |
