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Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Browse source 
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
This commit is contained in:
Linus Torvalds 2017-09-14 18:54:01 -07:00
commit 0f0d12728e
76 changed files with 314 additions and 296 deletions
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10
fs/hfsplus/super.c
View file

@ -264,7 +264,7 @@ void hfsplus_mark_mdb_dirty(struct super_block *sb)
struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
unsigned long delay;
if (sb->s_flags & MS_RDONLY)
if (sb_rdonly(sb))
return;
spin_lock(&sbi->work_lock);
@ -284,7 +284,7 @@ static void hfsplus_put_super(struct super_block *sb)
cancel_delayed_work_sync(&sbi->sync_work);
if (!(sb->s_flags & MS_RDONLY) && sbi->s_vhdr) {
if (!sb_rdonly(sb) && sbi->s_vhdr) {
struct hfsplus_vh *vhdr = sbi->s_vhdr;
vhdr->modify_date = hfsp_now2mt();
@ -329,7 +329,7 @@ static int hfsplus_statfs(struct dentry *dentry, struct kstatfs *buf)
static int hfsplus_remount(struct super_block *sb, int *flags, char *data)
{
sync_filesystem(sb);
if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb))
return 0;
if (!(*flags & MS_RDONLY)) {
struct hfsplus_vh *vhdr = HFSPLUS_SB(sb)->s_vhdr;
@ -462,7 +462,7 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
pr_warn("Filesystem is marked locked, mounting read-only.\n");
sb->s_flags |= MS_RDONLY;
} else if ((vhdr->attributes & cpu_to_be32(HFSPLUS_VOL_JOURNALED)) &&
!(sb->s_flags & MS_RDONLY)) {
!sb_rdonly(sb)) {
pr_warn("write access to a journaled filesystem is not supported, use the force option at your own risk, mounting read-only.\n");
sb->s_flags |= MS_RDONLY;
}
@ -535,7 +535,7 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
} else
hfs_find_exit(&fd);
if (!(sb->s_flags & MS_RDONLY)) {
if (!sb_rdonly(sb)) {
/*
* H+LX == hfsplusutils, H+Lx == this driver, H+lx is unused
* all three are registered with Apple for our use