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authorLinus Torvalds <torvalds@linux-foundation.org>2017-09-14 18:54:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-14 18:54:01 -0700
commit0f0d12728e56c94d3289c6831243b6faeae8a19d (patch)
treebd52fd4ed6fba2a0d8bb95e7fc33f51ac299001d /fs/overlayfs
parent581bfce969cbfc7ce43ee92273be9cb7c3fdfa61 (diff)
parente462ec50cb5fad19f6003a3d8087f4a0945dd2b1 (diff)
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull mount flag updates from Al Viro: "Another chunk of fmount preparations from dhowells; only trivial conflicts for that part. It separates MS_... bits (very grotty mount(2) ABI) from the struct super_block ->s_flags (kernel-internal, only a small subset of MS_... stuff). This does *not* convert the filesystems to new constants; only the infrastructure is done here. The next step in that series is where the conflicts would be; that's the conversion of filesystems. It's purely mechanical and it's better done after the merge, so if you could run something like list=$(for i in MS_RDONLY MS_NOSUID MS_NODEV MS_NOEXEC MS_SYNCHRONOUS MS_MANDLOCK MS_DIRSYNC MS_NOATIME MS_NODIRATIME MS_SILENT MS_POSIXACL MS_KERNMOUNT MS_I_VERSION MS_LAZYTIME; do git grep -l $i fs drivers/staging/lustre drivers/mtd ipc mm include/linux; done|sort|uniq|grep -v '^fs/namespace.c$') sed -i -e 's/\<MS_RDONLY\>/SB_RDONLY/g' \ -e 's/\<MS_NOSUID\>/SB_NOSUID/g' \ -e 's/\<MS_NODEV\>/SB_NODEV/g' \ -e 's/\<MS_NOEXEC\>/SB_NOEXEC/g' \ -e 's/\<MS_SYNCHRONOUS\>/SB_SYNCHRONOUS/g' \ -e 's/\<MS_MANDLOCK\>/SB_MANDLOCK/g' \ -e 's/\<MS_DIRSYNC\>/SB_DIRSYNC/g' \ -e 's/\<MS_NOATIME\>/SB_NOATIME/g' \ -e 's/\<MS_NODIRATIME\>/SB_NODIRATIME/g' \ -e 's/\<MS_SILENT\>/SB_SILENT/g' \ -e 's/\<MS_POSIXACL\>/SB_POSIXACL/g' \ -e 's/\<MS_KERNMOUNT\>/SB_KERNMOUNT/g' \ -e 's/\<MS_I_VERSION\>/SB_I_VERSION/g' \ -e 's/\<MS_LAZYTIME\>/SB_LAZYTIME/g' \ $list and commit it with something along the lines of 'convert filesystems away from use of MS_... constants' as commit message, it would save a quite a bit of headache next cycle" * 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: VFS: Differentiate mount flags (MS_*) from internal superblock flags VFS: Convert sb->s_flags & MS_RDONLY to sb_rdonly(sb) vfs: Add sb_rdonly(sb) to query the MS_RDONLY flag on s_flags
Diffstat (limited to 'fs/overlayfs')
-rw-r--r--fs/overlayfs/super.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index cd49c0298ddf..fd5ea4facc62 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -870,7 +870,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
goto out_free_config;
/* Upper fs should not be r/o */
- if (upperpath.mnt->mnt_sb->s_flags & MS_RDONLY) {
+ if (sb_rdonly(upperpath.mnt->mnt_sb)) {
pr_err("overlayfs: upper fs is r/o, try multi-lower layers mount\n");
err = -EINVAL;
goto out_put_upperpath;