| Message ID | 20220203131411.3093040-7-brauner@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | mount_setattr fixes | expand |
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
diff --git a/fs/namespace.c b/fs/namespace.c index ddae5c08ea8c..00762f9a736a 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -563,12 +563,9 @@ int sb_prepare_remount_readonly(struct super_block *sb) lock_mount_hash(); list_for_each_entry(mnt, &sb->s_mounts, mnt_instance) { if (!(mnt->mnt.mnt_flags & MNT_READONLY)) { - mnt->mnt.mnt_flags |= MNT_WRITE_HOLD; - smp_mb(); - if (mnt_get_writers(mnt) > 0) { - err = -EBUSY; + err = mnt_hold_writers(mnt); + if (err) break; - } } } if (!err && atomic_long_read(&sb->s_remove_count))
Remove sb_prepare_remount_readonly()'s open-coded mnt_hold_writers() implementation with the real helper we introduced in commit fbdc2f6c40f6 ("fs: split out functions to hold writers"). Cc: Seth Forshee <seth.forshee@digitalocean.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: linux-fsdevel@vger.kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org> --- fs/namespace.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)