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NTFS: Do more detailed reporting of why we cannot mount read-write by

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special casing the VOLUME_MODIFIED_BY_CHKDSK flag.

Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
This commit is contained in:
Anton Altaparmakov
2006-02-24 10:48:14 +00:00
parent 78af34f03d
commit 1cf3109ffb
6 changed files with 53 additions and 29 deletions
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34
fs/ntfs/super.c
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@ -472,9 +472,16 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt)
ntfs_error(sb, "Volume is dirty and read-only%s", es);
return -EROFS;
}
if (vol->vol_flags & VOLUME_MODIFIED_BY_CHKDSK) {
ntfs_error(sb, "Volume has been modified by chkdsk "
"and is read-only%s", es);
return -EROFS;
}
if (vol->vol_flags & VOLUME_MUST_MOUNT_RO_MASK) {
ntfs_error(sb, "Volume has unsupported flags set and "
"is read-only%s", es);
ntfs_error(sb, "Volume has unsupported flags set "
"(0x%x) and is read-only%s",
(unsigned)le16_to_cpu(vol->vol_flags),
es);
return -EROFS;
}
if (ntfs_set_volume_flags(vol, VOLUME_IS_DIRTY)) {
@ -1845,11 +1852,24 @@ get_ctx_vol_failed:
/* Make sure that no unsupported volume flags are set. */
if (vol->vol_flags & VOLUME_MUST_MOUNT_RO_MASK) {
static const char *es1a = "Volume is dirty";
static const char *es1b = "Volume has unsupported flags set";
static const char *es2 = ". Run chkdsk and mount in Windows.";
const char *es1;
es1 = vol->vol_flags & VOLUME_IS_DIRTY ? es1a : es1b;
static const char *es1b = "Volume has been modified by chkdsk";
static const char *es1c = "Volume has unsupported flags set";
static const char *es2a = ". Run chkdsk and mount in Windows.";
static const char *es2b = ". Mount in Windows.";
const char *es1, *es2;
es2 = es2a;
if (vol->vol_flags & VOLUME_IS_DIRTY)
es1 = es1a;
else if (vol->vol_flags & VOLUME_MODIFIED_BY_CHKDSK) {
es1 = es1b;
es2 = es2b;
} else {
es1 = es1c;
ntfs_warning(sb, "Unsupported volume flags 0x%x "
"encountered.",
(unsigned)le16_to_cpu(vol->vol_flags));
}
/* If a read-write mount, convert it to a read-only mount. */
if (!(sb->s_flags & MS_RDONLY)) {
if (!(vol->on_errors & (ON_ERRORS_REMOUNT_RO |