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[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem

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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>
This commit is contained in:
Jes Sorensen
2006-01-09 15:59:24 -08:00
committed by Ingo Molnar
parent 794ee1baee
commit 1b1dcc1b57
113 changed files with 563 additions and 573 deletions
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8
security/inode.c
View File

@ -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);