Commit 31370f62 authored by Frederic Weisbecker's avatar Frederic Weisbecker

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: default avatarFrederic 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>
parent e0baec1b
...@@ -559,8 +559,12 @@ reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *th, ...@@ -559,8 +559,12 @@ reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *th,
.ia_size = buffer_size, .ia_size = buffer_size,
.ia_valid = ATTR_SIZE | ATTR_CTIME, .ia_valid = ATTR_SIZE | ATTR_CTIME,
}; };
reiserfs_write_unlock(inode->i_sb);
mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_XATTR); mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_XATTR);
down_write(&dentry->d_inode->i_alloc_sem); down_write(&dentry->d_inode->i_alloc_sem);
reiserfs_write_lock(inode->i_sb);
err = reiserfs_setattr(dentry, &newattrs); err = reiserfs_setattr(dentry, &newattrs);
up_write(&dentry->d_inode->i_alloc_sem); up_write(&dentry->d_inode->i_alloc_sem);
mutex_unlock(&dentry->d_inode->i_mutex); mutex_unlock(&dentry->d_inode->i_mutex);
......
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