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-rw-r--r--fs/reiserfs/xattr.c2
-rw-r--r--include/linux/reiserfs_fs.h8
2 files changed, 9 insertions, 1 deletions
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 8891cd8..a0e2e7a 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -484,7 +484,7 @@ reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *th,
if (IS_ERR(dentry))
return PTR_ERR(dentry);
- down_write(&REISERFS_I(inode)->i_xattr_sem);
+ reiserfs_down_read_safe(&REISERFS_I(inode)->i_xattr_sem, inode->i_sb);
xahash = xattr_hash(buffer, buffer_size);
while (buffer_pos < buffer_size || buffer_pos == 0) {
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 4351b49..35d3f45 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -106,6 +106,14 @@ reiserfs_mutex_lock_nested_safe(struct mutex *m, unsigned int subclass,
reiserfs_write_lock(s);
}
+static inline void
+reiserfs_down_read_safe(struct rw_semaphore *sem, struct super_block *s)
+{
+ reiserfs_write_unlock(s);
+ down_read(sem);
+ reiserfs_write_lock(s);
+}
+
/*
* When we schedule, we usually want to also release the write lock,
* according to the previous bkl based locking scheme of reiserfs.