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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-03-23 10:01:20 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-03-23 10:01:20 +0300
commit6203da9803017701da5782998157d9826215059d (patch)
tree1d754f139ac25c643e88f429966606d3b44e431f /fs/overlayfs/file.c
parent3017e587e36819f87e53d3c8751afdf987c1f542 (diff)
parent16fbf79b0f83bc752cee8589279f1ebfe57b3b6e (diff)
downloadlinux-6203da9803017701da5782998157d9826215059d.tar.xz
Merge 5.6-rc7 into staging-next
We need the staging/iio fixes in here as well Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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;