diff options
| author | Steve French <stfrench@microsoft.com> | 2024-05-13 17:02:05 -0500 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2024-05-13 17:02:05 -0500 |
| commit | 14b1cd25346b1d615616a9c2dfdad9b4e6581e0d (patch) | |
| tree | 509f7d1f8107d435be4e1991f63c3bec152c8c2b /fs/netfs | |
| parent | 29b4c7bb8565118e2c7e08709fce0dbe8bf61011 (diff) | |
cifs: Fix locking in cifs_strict_readv()
Fix to take the i_rwsem (through the netfs locking wrappers) before taking
cinode->lock_sem.
Fixes: 3ee1a1fc3981 ("cifs: Cut over to using netfslib")
Reported-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/netfs')
| -rw-r--r-- | fs/netfs/direct_read.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/netfs/direct_read.c b/fs/netfs/direct_read.c index ad4370b3935d..10a1e4da6bda 100644 --- a/fs/netfs/direct_read.c +++ b/fs/netfs/direct_read.c @@ -26,7 +26,7 @@ * * The caller must hold any appropriate locks. */ -static ssize_t netfs_unbuffered_read_iter_locked(struct kiocb *iocb, struct iov_iter *iter) +ssize_t netfs_unbuffered_read_iter_locked(struct kiocb *iocb, struct iov_iter *iter) { struct netfs_io_request *rreq; ssize_t ret; @@ -98,6 +98,7 @@ out: iov_iter_revert(iter, orig_count - iov_iter_count(iter)); return ret; } +EXPORT_SYMBOL(netfs_unbuffered_read_iter_locked); /** * netfs_unbuffered_read_iter - Perform an unbuffered or direct I/O read |