[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, 8 deletions

diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c
index 3938444d87b2..7754d641775e 100644
--- a/fs/cifs/xattr.c
+++ b/fs/cifs/xattr.c
@@ -62,9 +62,7 @@ int cifs_removexattr(struct dentry * direntry, const char * ea_name)
         cifs_sb = CIFS_SB(sb);
         pTcon = cifs_sb->tcon;
                                                                                      
-        mutex_lock(&sb->s_vfs_rename_mutex);
         full_path = build_path_from_dentry(direntry);
-        mutex_unlock(&sb->s_vfs_rename_mutex);
         if(full_path == NULL) {
                 FreeXid(xid);
                 return -ENOMEM;
@@ -116,9 +114,7 @@ int cifs_setxattr(struct dentry * direntry, const char * ea_name,
         cifs_sb = CIFS_SB(sb);
         pTcon = cifs_sb->tcon;
 
-        mutex_lock(&sb->s_vfs_rename_mutex);
         full_path = build_path_from_dentry(direntry);
-        mutex_unlock(&sb->s_vfs_rename_mutex);
         if(full_path == NULL) {
                 FreeXid(xid);
                 return -ENOMEM;
@@ -223,9 +219,7 @@ ssize_t cifs_getxattr(struct dentry * direntry, const char * ea_name,
         cifs_sb = CIFS_SB(sb);
         pTcon = cifs_sb->tcon;
 
-        mutex_lock(&sb->s_vfs_rename_mutex);
         full_path = build_path_from_dentry(direntry);
-        mutex_unlock(&sb->s_vfs_rename_mutex);
         if(full_path == NULL) {
                 FreeXid(xid);
                 return -ENOMEM;
@@ -341,9 +335,7 @@ ssize_t cifs_listxattr(struct dentry * direntry, char * data, size_t buf_size)
         cifs_sb = CIFS_SB(sb);
         pTcon = cifs_sb->tcon;
 
-        mutex_lock(&sb->s_vfs_rename_mutex);
         full_path = build_path_from_dentry(direntry);
-        mutex_unlock(&sb->s_vfs_rename_mutex);
         if(full_path == NULL) {
                 FreeXid(xid);
                 return -ENOMEM;