[CIFS] [CIFS] Do not take rename sem on most path based calls (during

building of full path) to avoid hang rename/readdir hang

Reported by Alan Tyson

Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 0 insertions, 6 deletions

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 957ddd1571c6..4093764ef461 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -722,9 +722,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
         cifs_sb = CIFS_SB(inode->i_sb);
         pTcon = cifs_sb->tcon;
 
-        mutex_lock(&inode->i_sb->s_vfs_rename_mutex);
         full_path = build_path_from_dentry(direntry);
-        mutex_unlock(&inode->i_sb->s_vfs_rename_mutex);
         if (full_path == NULL) {
                 FreeXid(xid);
                 return -ENOMEM;
@@ -807,9 +805,7 @@ int cifs_rmdir(struct inode *inode, struct dentry *direntry)
         cifs_sb = CIFS_SB(inode->i_sb);
         pTcon = cifs_sb->tcon;
 
-        mutex_lock(&inode->i_sb->s_vfs_rename_mutex);
         full_path = build_path_from_dentry(direntry);
-        mutex_unlock(&inode->i_sb->s_vfs_rename_mutex);
         if (full_path == NULL) {
                 FreeXid(xid);
                 return -ENOMEM;
@@ -1141,9 +1137,7 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
                         rc = 0;
         }
                 
-        mutex_lock(&direntry->d_sb->s_vfs_rename_mutex);
         full_path = build_path_from_dentry(direntry);
-        mutex_unlock(&direntry->d_sb->s_vfs_rename_mutex);
         if (full_path == NULL) {
                 FreeXid(xid);
                 return -ENOMEM;