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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
Download patch file Download diff file Expand all files Collapse all files

14
fs/udf/super.c
View file

@ -673,7 +673,7 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
sbi->s_dmode = uopt.dmode;
write_unlock(&sbi->s_cred_lock);
if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb))
goto out_unlock;
if (*flags & MS_RDONLY)
@ -1017,7 +1017,7 @@ static int udf_load_metadata_files(struct super_block *sb, int partition,
fe = udf_iget_special(sb, &addr);
if (IS_ERR(fe)) {
if (sb->s_flags & MS_RDONLY)
if (sb_rdonly(sb))
udf_warn(sb, "bitmap inode efe not found but it's ok since the disc is mounted read-only\n");
else {
udf_err(sb, "bitmap inode efe not found and attempted read-write mount\n");
@ -1341,7 +1341,7 @@ static int udf_load_partdesc(struct super_block *sb, sector_t block)
* writing to it (we overwrite blocks instead of relocating
* them).
*/
if (!(sb->s_flags & MS_RDONLY)) {
if (!sb_rdonly(sb)) {
ret = -EACCES;
goto out_bh;
}
@ -2205,7 +2205,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
ret = -EINVAL;
goto error_out;
} else if (minUDFWriteRev > UDF_MAX_WRITE_VERSION &&
!(sb->s_flags & MS_RDONLY)) {
!sb_rdonly(sb)) {
ret = -EACCES;
goto error_out;
}
@ -2226,7 +2226,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
if (sbi->s_partmaps[sbi->s_partition].s_partition_flags &
UDF_PART_FLAG_READ_ONLY &&
!(sb->s_flags & MS_RDONLY)) {
!sb_rdonly(sb)) {
ret = -EACCES;
goto error_out;
}
@ -2245,7 +2245,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
le16_to_cpu(ts.year), ts.month, ts.day,
ts.hour, ts.minute, le16_to_cpu(ts.typeAndTimezone));
}
if (!(sb->s_flags & MS_RDONLY)) {
if (!sb_rdonly(sb)) {
udf_open_lvid(sb);
lvid_open = true;
}
@ -2332,7 +2332,7 @@ static void udf_put_super(struct super_block *sb)
if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
unload_nls(sbi->s_nls_map);
#endif
if (!(sb->s_flags & MS_RDONLY))
if (!sb_rdonly(sb))
udf_close_lvid(sb);
brelse(sbi->s_lvid_bh);
udf_sb_free_partitions(sb);