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path: root/fs/ocfs2/quota_global.c
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Diffstat (limited to 'fs/ocfs2/quota_global.c')
-rw-r--r--fs/ocfs2/quota_global.c34
1 files changed, 27 insertions, 7 deletions
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index dc9f76ab7e13..15d9acd456ec 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -371,12 +371,16 @@ int ocfs2_global_read_info(struct super_block *sb, int type)
status = ocfs2_extent_map_get_blocks(oinfo->dqi_gqinode, 0, &oinfo->dqi_giblk,
&pcount, NULL);
- if (status < 0)
+ if (status < 0) {
+ mlog_errno(status);
goto out_unlock;
+ }
status = ocfs2_qinfo_lock(oinfo, 0);
- if (status < 0)
+ if (status < 0) {
+ mlog_errno(status);
goto out_unlock;
+ }
status = sb->s_op->quota_read(sb, type, (char *)&dinfo,
sizeof(struct ocfs2_global_disk_dqinfo),
OCFS2_GLOBAL_INFO_OFF);
@@ -404,12 +408,11 @@ int ocfs2_global_read_info(struct super_block *sb, int type)
schedule_delayed_work(&oinfo->dqi_sync_work,
msecs_to_jiffies(oinfo->dqi_syncms));
-out_err:
- return status;
+ return 0;
out_unlock:
ocfs2_unlock_global_qf(oinfo, 0);
- mlog_errno(status);
- goto out_err;
+out_err:
+ return status;
}
/* Write information to global quota file. Expects exclusive lock on quota
@@ -447,14 +450,17 @@ int ocfs2_global_write_info(struct super_block *sb, int type)
int err;
struct quota_info *dqopt = sb_dqopt(sb);
struct ocfs2_mem_dqinfo *info = dqopt->info[type].dqi_priv;
+ unsigned int memalloc;
down_write(&dqopt->dqio_sem);
+ memalloc = memalloc_nofs_save();
err = ocfs2_qinfo_lock(info, 1);
if (err < 0)
goto out_sem;
err = __ocfs2_global_write_info(sb, type);
ocfs2_qinfo_unlock(info, 1);
out_sem:
+ memalloc_nofs_restore(memalloc);
up_write(&dqopt->dqio_sem);
return err;
}
@@ -601,6 +607,7 @@ static int ocfs2_sync_dquot_helper(struct dquot *dquot, unsigned long type)
struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv;
struct ocfs2_super *osb = OCFS2_SB(sb);
int status = 0;
+ unsigned int memalloc;
trace_ocfs2_sync_dquot_helper(from_kqid(&init_user_ns, dquot->dq_id),
dquot->dq_id.type,
@@ -618,6 +625,7 @@ static int ocfs2_sync_dquot_helper(struct dquot *dquot, unsigned long type)
goto out_ilock;
}
down_write(&sb_dqopt(sb)->dqio_sem);
+ memalloc = memalloc_nofs_save();
status = ocfs2_sync_dquot(dquot);
if (status < 0)
mlog_errno(status);
@@ -625,6 +633,7 @@ static int ocfs2_sync_dquot_helper(struct dquot *dquot, unsigned long type)
status = ocfs2_local_write_dquot(dquot);
if (status < 0)
mlog_errno(status);
+ memalloc_nofs_restore(memalloc);
up_write(&sb_dqopt(sb)->dqio_sem);
ocfs2_commit_trans(osb, handle);
out_ilock:
@@ -662,6 +671,7 @@ static int ocfs2_write_dquot(struct dquot *dquot)
handle_t *handle;
struct ocfs2_super *osb = OCFS2_SB(dquot->dq_sb);
int status = 0;
+ unsigned int memalloc;
trace_ocfs2_write_dquot(from_kqid(&init_user_ns, dquot->dq_id),
dquot->dq_id.type);
@@ -673,7 +683,9 @@ static int ocfs2_write_dquot(struct dquot *dquot)
goto out;
}
down_write(&sb_dqopt(dquot->dq_sb)->dqio_sem);
+ memalloc = memalloc_nofs_save();
status = ocfs2_local_write_dquot(dquot);
+ memalloc_nofs_restore(memalloc);
up_write(&sb_dqopt(dquot->dq_sb)->dqio_sem);
ocfs2_commit_trans(osb, handle);
out:
@@ -749,6 +761,11 @@ static int ocfs2_release_dquot(struct dquot *dquot)
handle = ocfs2_start_trans(osb,
ocfs2_calc_qdel_credits(dquot->dq_sb, dquot->dq_id.type));
if (IS_ERR(handle)) {
+ /*
+ * Mark dquot as inactive to avoid endless cycle in
+ * quota_release_workfn().
+ */
+ clear_bit(DQ_ACTIVE_B, &dquot->dq_flags);
status = PTR_ERR(handle);
mlog_errno(status);
goto out_ilock;
@@ -881,7 +898,7 @@ static int ocfs2_get_next_id(struct super_block *sb, struct kqid *qid)
int status = 0;
trace_ocfs2_get_next_id(from_kqid(&init_user_ns, *qid), type);
- if (!sb_has_quota_loaded(sb, type)) {
+ if (!sb_has_quota_active(sb, type)) {
status = -ESRCH;
goto out;
}
@@ -920,6 +937,7 @@ static int ocfs2_mark_dquot_dirty(struct dquot *dquot)
struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv;
handle_t *handle;
struct ocfs2_super *osb = OCFS2_SB(sb);
+ unsigned int memalloc;
trace_ocfs2_mark_dquot_dirty(from_kqid(&init_user_ns, dquot->dq_id),
type);
@@ -946,6 +964,7 @@ static int ocfs2_mark_dquot_dirty(struct dquot *dquot)
goto out_ilock;
}
down_write(&sb_dqopt(sb)->dqio_sem);
+ memalloc = memalloc_nofs_save();
status = ocfs2_sync_dquot(dquot);
if (status < 0) {
mlog_errno(status);
@@ -954,6 +973,7 @@ static int ocfs2_mark_dquot_dirty(struct dquot *dquot)
/* Now write updated local dquot structure */
status = ocfs2_local_write_dquot(dquot);
out_dlock:
+ memalloc_nofs_restore(memalloc);
up_write(&sb_dqopt(sb)->dqio_sem);
ocfs2_commit_trans(osb, handle);
out_ilock: