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-rw-r--r--fs/hfsplus/super.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index 0ce1c455ae55..8093351bd7c3 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -251,16 +251,28 @@ static int hfsplus_remount(struct super_block *sb, int *flags, char *data)
return 0;
if (!(*flags & MS_RDONLY)) {
struct hfsplus_vh *vhdr = HFSPLUS_SB(sb).s_vhdr;
+ struct hfsplus_sb_info sbi;
+
+ memset(&sbi, 0, sizeof(struct hfsplus_sb_info));
+ sbi.nls = HFSPLUS_SB(sb).nls;
+ if (!hfsplus_parse_options(data, &sbi))
+ return -EINVAL;
if (!(vhdr->attributes & cpu_to_be32(HFSPLUS_VOL_UNMNT))) {
printk("HFS+-fs warning: Filesystem was not cleanly unmounted, "
"running fsck.hfsplus is recommended. leaving read-only.\n");
sb->s_flags |= MS_RDONLY;
*flags |= MS_RDONLY;
+ } else if (sbi.flags & HFSPLUS_SB_FORCE) {
+ /* nothing */
} else if (vhdr->attributes & cpu_to_be32(HFSPLUS_VOL_SOFTLOCK)) {
printk("HFS+-fs: Filesystem is marked locked, leaving read-only.\n");
sb->s_flags |= MS_RDONLY;
*flags |= MS_RDONLY;
+ } else if (vhdr->attributes & cpu_to_be32(HFSPLUS_VOL_JOURNALED)) {
+ printk("HFS+-fs: Filesystem is marked journaled, leaving read-only.\n");
+ sb->s_flags |= MS_RDONLY;
+ *flags |= MS_RDONLY;
}
}
return 0;
@@ -352,11 +364,19 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
printk("HFS+-fs warning: Filesystem was not cleanly unmounted, "
"running fsck.hfsplus is recommended. mounting read-only.\n");
sb->s_flags |= MS_RDONLY;
+ } else if (sbi->flags & HFSPLUS_SB_FORCE) {
+ /* nothing */
} else if (vhdr->attributes & cpu_to_be32(HFSPLUS_VOL_SOFTLOCK)) {
if (!silent)
printk("HFS+-fs: Filesystem is marked locked, mounting read-only.\n");
sb->s_flags |= MS_RDONLY;
+ } else if (vhdr->attributes & cpu_to_be32(HFSPLUS_VOL_JOURNALED)) {
+ if (!silent)
+ printk("HFS+-fs: write access to a jounaled filesystem is not supported, "
+ "use the force option at your own risk, mounting read-only.\n");
+ sb->s_flags |= MS_RDONLY;
}
+ sbi->flags &= ~HFSPLUS_SB_FORCE;
/* Load metadata objects (B*Trees) */
HFSPLUS_SB(sb).ext_tree = hfs_btree_open(sb, HFSPLUS_EXT_CNID);
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