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authorFrederic Weisbecker <fweisbec@gmail.com>2010-01-07 15:55:31 +0100
committerFrederic Weisbecker <fweisbec@gmail.com>2010-01-07 16:02:53 +0100
commit31370f62baa1460b785cee9944bdcaf63d19e567 (patch)
treecc3846f1a623366c61c4f16860f4ed62c68ea03f /fs
parente0baec1b63632f25ea8101b76edaca0accc061ec (diff)
reiserfs: Relax reiserfs_xattr_set_handle() while acquiring xattr locks
Fix remaining xattr locks acquired in reiserfs_xattr_set_handle() while we are holding the reiserfs lock to avoid lock inversions. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Christian Kujau <lists@nerdbynature.de> Cc: Alexander Beregalov <a.beregalov@gmail.com> Cc: Chris Mason <chris.mason@oracle.com> Cc: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs')
-rw-r--r--fs/reiserfs/xattr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 4899d789ba6..7fee995c25a 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -559,8 +559,12 @@ reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *th,
.ia_size = buffer_size,
.ia_valid = ATTR_SIZE | ATTR_CTIME,
};
+
+ reiserfs_write_unlock(inode->i_sb);
mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_XATTR);
down_write(&dentry->d_inode->i_alloc_sem);
+ reiserfs_write_lock(inode->i_sb);
+
err = reiserfs_setattr(dentry, &newattrs);
up_write(&dentry->d_inode->i_alloc_sem);
mutex_unlock(&dentry->d_inode->i_mutex);