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authorDavid Howells <dhowells@redhat.com>2017-03-16 19:27:45 +0300
committerDavid Howells <dhowells@redhat.com>2017-03-16 19:27:45 +0300
commit58fed94dfb17e89556b5705f20f90e5b2971b6a1 (patch)
tree00d5b982c1811083138f3ee7a614834bad87c32e /fs/afs/write.c
parente8e581a88c5f5fc7cf1f636d122b77fbcfc8c2f6 (diff)
downloadlinux-58fed94dfb17e89556b5705f20f90e5b2971b6a1.tar.xz
afs: Flush outstanding writes when an fd is closed
Flush outstanding writes in afs when an fd is closed. This is what NFS and CIFS do. Reported-by: Marc Dionne <marc.c.dionne@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/afs/write.c')
-rw-r--r--fs/afs/write.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/afs/write.c b/fs/afs/write.c
index ea66890fc188..f1450ea09406 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -758,6 +758,20 @@ out:
}
/*
+ * Flush out all outstanding writes on a file opened for writing when it is
+ * closed.
+ */
+int afs_flush(struct file *file, fl_owner_t id)
+{
+ _enter("");
+
+ if ((file->f_mode & FMODE_WRITE) == 0)
+ return 0;
+
+ return vfs_fsync(file, 0);
+}
+
+/*
* notification that a previously read-only page is about to become writable
* - if it returns an error, the caller will deliver a bus error signal
*/