/* Turn quotas off */
for (i = 0; i < MAXQUOTAS; i++) {
if (sb_dqopt(s)->files[i])
- vfs_quota_off_mount(s, i);
+ vfs_quota_off(s, i, 0);
}
if (ms_active_set)
/* Restore the flag back */
.unlockfs = reiserfs_unlockfs,
.statfs = reiserfs_statfs,
.remount_fs = reiserfs_remount,
+ .show_options = generic_show_options,
#ifdef CONFIG_QUOTA
.quota_read = reiserfs_quota_read,
.quota_write = reiserfs_quota_write,
static int reiserfs_release_dquot(struct dquot *);
static int reiserfs_mark_dquot_dirty(struct dquot *);
static int reiserfs_write_info(struct super_block *, int);
-static int reiserfs_quota_on(struct super_block *, int, int, char *);
+static int reiserfs_quota_on(struct super_block *, int, int, char *, int);
static struct dquot_operations reiserfs_quota_operations = {
.initialize = reiserfs_dquot_initialize,
unsigned long safe_mask = 0;
unsigned int commit_max_age = (unsigned int)-1;
struct reiserfs_journal *journal = SB_JOURNAL(s);
+ char *new_opts = kstrdup(arg, GFP_KERNEL);
int err;
#ifdef CONFIG_QUOTA
int i;
REISERFS_SB(s)->s_qf_names[i] = NULL;
}
#endif
- return -EINVAL;
+ err = -EINVAL;
+ goto out_err;
}
handle_attrs(s);
}
if (blocks) {
- int rc = reiserfs_resize(s, blocks);
- if (rc != 0)
- return rc;
+ err = reiserfs_resize(s, blocks);
+ if (err != 0)
+ goto out_err;
}
if (*mount_flags & MS_RDONLY) {
/* remount read-only */
if (s->s_flags & MS_RDONLY)
/* it is read-only already */
- return 0;
+ goto out_ok;
/* try to remount file system with read-only permissions */
if (sb_umount_state(rs) == REISERFS_VALID_FS
|| REISERFS_SB(s)->s_mount_state != REISERFS_VALID_FS) {
- return 0;
+ goto out_ok;
}
err = journal_begin(&th, s, 10);
if (err)
- return err;
+ goto out_err;
/* Mounting a rw partition read-only. */
reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1);
/* remount read-write */
if (!(s->s_flags & MS_RDONLY)) {
reiserfs_xattr_init(s, *mount_flags);
- return 0; /* We are read-write already */
+ goto out_ok; /* We are read-write already */
}
- if (reiserfs_is_journal_aborted(journal))
- return journal->j_errno;
+ if (reiserfs_is_journal_aborted(journal)) {
+ err = journal->j_errno;
+ goto out_err;
+ }
handle_data_mode(s, mount_options);
handle_barrier_mode(s, mount_options);
s->s_flags &= ~MS_RDONLY; /* now it is safe to call journal_begin */
err = journal_begin(&th, s, 10);
if (err)
- return err;
+ goto out_err;
/* Mount a partition which is read-only, read-write */
reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1);
SB_JOURNAL(s)->j_must_wait = 1;
err = journal_end(&th, s, 10);
if (err)
- return err;
+ goto out_err;
s->s_dirt = 0;
if (!(*mount_flags & MS_RDONLY)) {
reiserfs_xattr_init(s, *mount_flags);
}
+out_ok:
+ kfree(s->s_options);
+ s->s_options = new_opts;
return 0;
+
+out_err:
+ kfree(new_opts);
+ return err;
}
static int read_super_block(struct super_block *s, int offset)
struct reiserfs_sb_info *sbi;
int errval = -EINVAL;
+ save_mount_options(s, data);
+
sbi = kzalloc(sizeof(struct reiserfs_sb_info), GFP_KERNEL);
if (!sbi) {
errval = -ENOMEM;
ret =
journal_begin(&th, inode->i_sb,
2 * REISERFS_QUOTA_DEL_BLOCKS(inode->i_sb));
- if (ret)
+ if (ret) {
+ /*
+ * We call dquot_drop() anyway to at least release references
+ * to quota structures so that umount does not hang.
+ */
+ dquot_drop(inode);
goto out;
+ }
ret = dquot_drop(inode);
err =
journal_end(&th, inode->i_sb,
* Standard function to be called on quota_on
*/
static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
- char *path)
+ char *path, int remount)
{
int err;
struct nameidata nd;
+ struct inode *inode;
if (!(REISERFS_SB(sb)->s_mount_opt & (1 << REISERFS_QUOTA)))
return -EINVAL;
+ /* No more checks needed? Path and format_id are bogus anyway... */
+ if (remount)
+ return vfs_quota_on(sb, type, format_id, path, 1);
err = path_lookup(path, LOOKUP_FOLLOW, &nd);
if (err)
return err;
/* Quotafile not on the same filesystem? */
- if (nd.mnt->mnt_sb != sb) {
- path_release(&nd);
+ if (nd.path.mnt->mnt_sb != sb) {
+ path_put(&nd.path);
return -EXDEV;
}
+ inode = nd.path.dentry->d_inode;
/* We must not pack tails for quota files on reiserfs for quota IO to work */
- if (!REISERFS_I(nd.dentry->d_inode)->i_flags & i_nopack_mask) {
- reiserfs_warning(sb,
- "reiserfs: Quota file must have tail packing disabled.");
- path_release(&nd);
- return -EINVAL;
+ if (!(REISERFS_I(inode)->i_flags & i_nopack_mask)) {
+ err = reiserfs_unpack(inode, NULL);
+ if (err) {
+ reiserfs_warning(sb,
+ "reiserfs: Unpacking tail of quota file failed"
+ " (%d). Cannot turn on quotas.", err);
+ path_put(&nd.path);
+ return -EINVAL;
+ }
+ mark_inode_dirty(inode);
}
/* Not journalling quota? No more tests needed... */
if (!REISERFS_SB(sb)->s_qf_names[USRQUOTA] &&
!REISERFS_SB(sb)->s_qf_names[GRPQUOTA]) {
- path_release(&nd);
- return vfs_quota_on(sb, type, format_id, path);
+ path_put(&nd.path);
+ return vfs_quota_on(sb, type, format_id, path, 0);
}
/* Quotafile not of fs root? */
- if (nd.dentry->d_parent->d_inode != sb->s_root->d_inode)
+ if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
reiserfs_warning(sb,
"reiserfs: Quota file not on filesystem root. "
"Journalled quota will not work.");
- path_release(&nd);
- return vfs_quota_on(sb, type, format_id, path);
+ path_put(&nd.path);
+ return vfs_quota_on(sb, type, format_id, path, 0);
}
/* Read data from quotafile - avoid pagecache and such because we cannot afford