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 /security/inode.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 'security/inode.c')
| -rw-r--r-- | security/inode.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/security/inode.c b/security/inode.c index a5964502ae30..0f77b0223662 100644 --- a/security/inode.c +++ b/security/inode.c @@ -172,7 +172,7 @@ static int create_by_name(const char *name, mode_t mode, return -EFAULT; } - down(&parent->d_inode->i_sem); + mutex_lock(&parent->d_inode->i_mutex); *dentry = lookup_one_len(name, parent, strlen(name)); if (!IS_ERR(dentry)) { if ((mode & S_IFMT) == S_IFDIR) @@ -181,7 +181,7 @@ static int create_by_name(const char *name, mode_t mode, error = create(parent->d_inode, *dentry, mode); } else error = PTR_ERR(dentry); - up(&parent->d_inode->i_sem); + mutex_unlock(&parent->d_inode->i_mutex); return error; } @@ -302,7 +302,7 @@ void securityfs_remove(struct dentry *dentry) if (!parent || !parent->d_inode) return; - down(&parent->d_inode->i_sem); + mutex_lock(&parent->d_inode->i_mutex); if (positive(dentry)) { if (dentry->d_inode) { if (S_ISDIR(dentry->d_inode->i_mode)) @@ -312,7 +312,7 @@ void securityfs_remove(struct dentry *dentry) dput(dentry); } } - up(&parent->d_inode->i_sem); + mutex_unlock(&parent->d_inode->i_mutex); simple_release_fs(&mount, &mount_count); } EXPORT_SYMBOL_GPL(securityfs_remove); |