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authorDave Airlie <airlied@redhat.com>2020-03-31 15:15:47 +1000
committerDave Airlie <airlied@redhat.com>2020-03-31 15:15:47 +1000
commit5fc0df93fccd4dc8412bfc488ba4ba8268aa12dc (patch)
tree6091ced63dbba747619762470ebba2298676ea0d /fs/overlayfs/file.c
parent700d6ab987f3b5e28b13b5993e5a9a975c5604e2 (diff)
parent7111951b8d4973bda27ff663f2cf18b663d15b48 (diff)
downloadlinux-5fc0df93fccd4dc8412bfc488ba4ba8268aa12dc.tar.gz
Merge v5.6 into drm-next
msm needed rc6, so I just went and merged release (msm has been in drm-next outside of this tree) Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'fs/overlayfs/file.c')
-rw-r--r--fs/overlayfs/file.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index a5317216de73..87c362f65448 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -244,6 +244,9 @@ static void ovl_aio_cleanup_handler(struct ovl_aio_req *aio_req)
if (iocb->ki_flags & IOCB_WRITE) {
struct inode *inode = file_inode(orig_iocb->ki_filp);
+ /* Actually acquired in ovl_write_iter() */
+ __sb_writers_acquired(file_inode(iocb->ki_filp)->i_sb,
+ SB_FREEZE_WRITE);
file_end_write(iocb->ki_filp);
ovl_copyattr(ovl_inode_real(inode), inode);
}
@@ -346,6 +349,9 @@ static ssize_t ovl_write_iter(struct kiocb *iocb, struct iov_iter *iter)
goto out;
file_start_write(real.file);
+ /* Pacify lockdep, same trick as done in aio_write() */
+ __sb_writers_release(file_inode(real.file)->i_sb,
+ SB_FREEZE_WRITE);
aio_req->fd = real;
real.flags = 0;
aio_req->orig_iocb = iocb;