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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/hpfs/dir.c | |
| parent | 794ee1baee1c26be40410233e6c20bceb2b03c08 (diff) | |
| download | linux-stable-1b1dcc1b57a49136f118a0f16367256ff9994a69.tar.gz linux-stable-1b1dcc1b57a49136f118a0f16367256ff9994a69.tar.bz2 linux-stable-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/hpfs/dir.c')
| -rw-r--r-- | fs/hpfs/dir.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c index 0217c3a04441..5591f9623aa2 100644 --- a/fs/hpfs/dir.c +++ b/fs/hpfs/dir.c @@ -32,19 +32,19 @@ static loff_t hpfs_dir_lseek(struct file *filp, loff_t off, int whence) /*printk("dir lseek\n");*/ if (new_off == 0 || new_off == 1 || new_off == 11 || new_off == 12 || new_off == 13) goto ok; - down(&i->i_sem); + mutex_lock(&i->i_mutex); pos = ((loff_t) hpfs_de_as_down_as_possible(s, hpfs_inode->i_dno) << 4) + 1; while (pos != new_off) { if (map_pos_dirent(i, &pos, &qbh)) hpfs_brelse4(&qbh); else goto fail; if (pos == 12) goto fail; } - up(&i->i_sem); + mutex_unlock(&i->i_mutex); ok: unlock_kernel(); return filp->f_pos = new_off; fail: - up(&i->i_sem); + mutex_unlock(&i->i_mutex); /*printk("illegal lseek: %016llx\n", new_off);*/ unlock_kernel(); return -ESPIPE; |