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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-15 03:54:01 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-15 03:54:01 +0200 |
commit | 0f0d12728e56c94d3289c6831243b6faeae8a19d (patch) | |
tree | bd52fd4ed6fba2a0d8bb95e7fc33f51ac299001d /fs/ext2 | |
parent | Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/v... (diff) | |
parent | VFS: Differentiate mount flags (MS_*) from internal superblock flags (diff) | |
download | linux-0f0d12728e56c94d3289c6831243b6faeae8a19d.tar.xz linux-0f0d12728e56c94d3289c6831243b6faeae8a19d.zip |
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/ext2')
-rw-r--r-- | fs/ext2/super.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/fs/ext2/super.c b/fs/ext2/super.c index fc18edd81815..1458706bd2ec 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -52,7 +52,7 @@ void ext2_error(struct super_block *sb, const char *function, struct ext2_sb_info *sbi = EXT2_SB(sb); struct ext2_super_block *es = sbi->s_es; - if (!(sb->s_flags & MS_RDONLY)) { + if (!sb_rdonly(sb)) { spin_lock(&sbi->s_lock); sbi->s_mount_state |= EXT2_ERROR_FS; es->s_state |= cpu_to_le16(EXT2_ERROR_FS); @@ -151,7 +151,7 @@ static void ext2_put_super (struct super_block * sb) ext2_xattr_destroy_cache(sbi->s_ea_block_cache); sbi->s_ea_block_cache = NULL; } - if (!(sb->s_flags & MS_RDONLY)) { + if (!sb_rdonly(sb)) { struct ext2_super_block *es = sbi->s_es; spin_lock(&sbi->s_lock); @@ -943,8 +943,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) le32_to_cpu(features)); goto failed_mount; } - if (!(sb->s_flags & MS_RDONLY) && - (features = EXT2_HAS_RO_COMPAT_FEATURE(sb, ~EXT2_FEATURE_RO_COMPAT_SUPP))){ + if (!sb_rdonly(sb) && (features = EXT2_HAS_RO_COMPAT_FEATURE(sb, ~EXT2_FEATURE_RO_COMPAT_SUPP))){ ext2_msg(sb, KERN_ERR, "error: couldn't mount RDWR because of " "unsupported optional features (%x)", le32_to_cpu(features)); @@ -1173,7 +1172,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) if (EXT2_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) ext2_msg(sb, KERN_WARNING, "warning: mounting ext3 filesystem as ext2"); - if (ext2_setup_super (sb, es, sb->s_flags & MS_RDONLY)) + if (ext2_setup_super (sb, es, sb_rdonly(sb))) sb->s_flags |= MS_RDONLY; ext2_write_super(sb); return 0; @@ -1305,7 +1304,7 @@ static int ext2_unfreeze(struct super_block *sb) static void ext2_write_super(struct super_block *sb) { - if (!(sb->s_flags & MS_RDONLY)) + if (!sb_rdonly(sb)) ext2_sync_fs(sb, 1); } @@ -1343,7 +1342,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) "dax flag with busy inodes while remounting"); sbi->s_mount_opt ^= EXT2_MOUNT_DAX; } - if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) { + if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb)) { spin_unlock(&sbi->s_lock); return 0; } |