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authorTrond Myklebust <trond.myklebust@hammerspace.com>2018-09-02 21:34:37 +0200
committerTrond Myklebust <trond.myklebust@hammerspace.com>2018-09-30 21:35:17 +0200
commit6ba0c4e5bb08cc929662588aa2015e0ee7ee9376 (patch)
treedfe3c70b997603f529063fb17c8c1b1154df567b /fs/nfs/inode.c
parentNFS: Convert lookups of the lock context to RCU (diff)
downloadlinux-6ba0c4e5bb08cc929662588aa2015e0ee7ee9376.tar.xz
linux-6ba0c4e5bb08cc929662588aa2015e0ee7ee9376.zip
NFS: Simplify internal check for whether file is open for write
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/inode.c')
-rw-r--r--fs/nfs/inode.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 09b3b7146ff4..052db41a7f80 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1328,19 +1328,11 @@ static bool nfs_file_has_writers(struct nfs_inode *nfsi)
{
struct inode *inode = &nfsi->vfs_inode;
- assert_spin_locked(&inode->i_lock);
-
if (!S_ISREG(inode->i_mode))
return false;
if (list_empty(&nfsi->open_files))
return false;
- /* Note: This relies on nfsi->open_files being ordered with writers
- * being placed at the head of the list.
- * See nfs_inode_attach_open_context()
- */
- return (list_first_entry(&nfsi->open_files,
- struct nfs_open_context,
- list)->mode & FMODE_WRITE) == FMODE_WRITE;
+ return inode_is_open_for_write(inode);
}
static bool nfs_file_has_buffered_writers(struct nfs_inode *nfsi)