diff options
Diffstat (limited to 'fs/namei.c')
-rw-r--r-- | fs/namei.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/fs/namei.c b/fs/namei.c index c784e8bb57a3..c9750d755aff 100644 --- a/fs/namei.c +++ b/fs/namei.c | |||
@@ -1423,7 +1423,7 @@ struct dentry *lock_rename(struct dentry *p1, struct dentry *p2) | |||
1423 | struct dentry *p; | 1423 | struct dentry *p; |
1424 | 1424 | ||
1425 | if (p1 == p2) { | 1425 | if (p1 == p2) { |
1426 | mutex_lock(&p1->d_inode->i_mutex); | 1426 | mutex_lock_nested(&p1->d_inode->i_mutex, I_MUTEX_PARENT); |
1427 | return NULL; | 1427 | return NULL; |
1428 | } | 1428 | } |
1429 | 1429 | ||
@@ -1431,22 +1431,22 @@ struct dentry *lock_rename(struct dentry *p1, struct dentry *p2) | |||
1431 | 1431 | ||
1432 | for (p = p1; p->d_parent != p; p = p->d_parent) { | 1432 | for (p = p1; p->d_parent != p; p = p->d_parent) { |
1433 | if (p->d_parent == p2) { | 1433 | if (p->d_parent == p2) { |
1434 | mutex_lock(&p2->d_inode->i_mutex); | 1434 | mutex_lock_nested(&p2->d_inode->i_mutex, I_MUTEX_PARENT); |
1435 | mutex_lock(&p1->d_inode->i_mutex); | 1435 | mutex_lock_nested(&p1->d_inode->i_mutex, I_MUTEX_CHILD); |
1436 | return p; | 1436 | return p; |
1437 | } | 1437 | } |
1438 | } | 1438 | } |
1439 | 1439 | ||
1440 | for (p = p2; p->d_parent != p; p = p->d_parent) { | 1440 | for (p = p2; p->d_parent != p; p = p->d_parent) { |
1441 | if (p->d_parent == p1) { | 1441 | if (p->d_parent == p1) { |
1442 | mutex_lock(&p1->d_inode->i_mutex); | 1442 | mutex_lock_nested(&p1->d_inode->i_mutex, I_MUTEX_PARENT); |
1443 | mutex_lock(&p2->d_inode->i_mutex); | 1443 | mutex_lock_nested(&p2->d_inode->i_mutex, I_MUTEX_CHILD); |
1444 | return p; | 1444 | return p; |
1445 | } | 1445 | } |
1446 | } | 1446 | } |
1447 | 1447 | ||
1448 | mutex_lock(&p1->d_inode->i_mutex); | 1448 | mutex_lock_nested(&p1->d_inode->i_mutex, I_MUTEX_PARENT); |
1449 | mutex_lock(&p2->d_inode->i_mutex); | 1449 | mutex_lock_nested(&p2->d_inode->i_mutex, I_MUTEX_CHILD); |
1450 | return NULL; | 1450 | return NULL; |
1451 | } | 1451 | } |
1452 | 1452 | ||
@@ -1751,7 +1751,7 @@ struct dentry *lookup_create(struct nameidata *nd, int is_dir) | |||
1751 | { | 1751 | { |
1752 | struct dentry *dentry = ERR_PTR(-EEXIST); | 1752 | struct dentry *dentry = ERR_PTR(-EEXIST); |
1753 | 1753 | ||
1754 | mutex_lock(&nd->dentry->d_inode->i_mutex); | 1754 | mutex_lock_nested(&nd->dentry->d_inode->i_mutex, I_MUTEX_PARENT); |
1755 | /* | 1755 | /* |
1756 | * Yucky last component or no last component at all? | 1756 | * Yucky last component or no last component at all? |
1757 | * (foo/., foo/.., /////) | 1757 | * (foo/., foo/.., /////) |
@@ -2008,7 +2008,7 @@ static long do_rmdir(int dfd, const char __user *pathname) | |||
2008 | error = -EBUSY; | 2008 | error = -EBUSY; |
2009 | goto exit1; | 2009 | goto exit1; |
2010 | } | 2010 | } |
2011 | mutex_lock(&nd.dentry->d_inode->i_mutex); | 2011 | mutex_lock_nested(&nd.dentry->d_inode->i_mutex, I_MUTEX_PARENT); |
2012 | dentry = lookup_hash(&nd); | 2012 | dentry = lookup_hash(&nd); |
2013 | error = PTR_ERR(dentry); | 2013 | error = PTR_ERR(dentry); |
2014 | if (!IS_ERR(dentry)) { | 2014 | if (!IS_ERR(dentry)) { |
@@ -2082,7 +2082,7 @@ static long do_unlinkat(int dfd, const char __user *pathname) | |||
2082 | error = -EISDIR; | 2082 | error = -EISDIR; |
2083 | if (nd.last_type != LAST_NORM) | 2083 | if (nd.last_type != LAST_NORM) |
2084 | goto exit1; | 2084 | goto exit1; |
2085 | mutex_lock(&nd.dentry->d_inode->i_mutex); | 2085 | mutex_lock_nested(&nd.dentry->d_inode->i_mutex, I_MUTEX_PARENT); |
2086 | dentry = lookup_hash(&nd); | 2086 | dentry = lookup_hash(&nd); |
2087 | error = PTR_ERR(dentry); | 2087 | error = PTR_ERR(dentry); |
2088 | if (!IS_ERR(dentry)) { | 2088 | if (!IS_ERR(dentry)) { |