diff options
Diffstat (limited to 'fs/quota/quota_v2.c')
| -rw-r--r-- | fs/quota/quota_v2.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/fs/quota/quota_v2.c b/fs/quota/quota_v2.c index 7978ab671e0c..1fda93dcbc1b 100644 --- a/fs/quota/quota_v2.c +++ b/fs/quota/quota_v2.c @@ -96,9 +96,11 @@ static int v2_read_file_info(struct super_block *sb, int type) struct qtree_mem_dqinfo *qinfo; ssize_t size; unsigned int version; + unsigned int memalloc; int ret; down_read(&dqopt->dqio_sem); + memalloc = memalloc_nofs_save(); ret = v2_read_header(sb, type, &dqhead); if (ret < 0) goto out; @@ -119,7 +121,7 @@ static int v2_read_file_info(struct super_block *sb, int type) ret = -EIO; goto out; } - info->dqi_priv = kmalloc(sizeof(struct qtree_mem_dqinfo), GFP_NOFS); + info->dqi_priv = kmalloc(sizeof(struct qtree_mem_dqinfo), GFP_KERNEL); if (!info->dqi_priv) { ret = -ENOMEM; goto out; @@ -186,6 +188,7 @@ out_free: info->dqi_priv = NULL; } out: + memalloc_nofs_restore(memalloc); up_read(&dqopt->dqio_sem); return ret; } @@ -198,8 +201,10 @@ static int v2_write_file_info(struct super_block *sb, int type) struct mem_dqinfo *info = &dqopt->info[type]; struct qtree_mem_dqinfo *qinfo = info->dqi_priv; ssize_t size; + unsigned int memalloc; down_write(&dqopt->dqio_sem); + memalloc = memalloc_nofs_save(); spin_lock(&dq_data_lock); info->dqi_flags &= ~DQF_INFO_DIRTY; dinfo.dqi_bgrace = cpu_to_le32(info->dqi_bgrace); @@ -212,6 +217,7 @@ static int v2_write_file_info(struct super_block *sb, int type) dinfo.dqi_free_entry = cpu_to_le32(qinfo->dqi_free_entry); size = sb->s_op->quota_write(sb, type, (char *)&dinfo, sizeof(struct v2_disk_dqinfo), V2_DQINFOOFF); + memalloc_nofs_restore(memalloc); up_write(&dqopt->dqio_sem); if (size != sizeof(struct v2_disk_dqinfo)) { quota_error(sb, "Can't write info structure"); @@ -331,11 +337,14 @@ static int v2_read_dquot(struct dquot *dquot) { struct quota_info *dqopt = sb_dqopt(dquot->dq_sb); int ret; + unsigned int memalloc; down_read(&dqopt->dqio_sem); + memalloc = memalloc_nofs_save(); ret = qtree_read_dquot( sb_dqinfo(dquot->dq_sb, dquot->dq_id.type)->dqi_priv, dquot); + memalloc_nofs_restore(memalloc); up_read(&dqopt->dqio_sem); return ret; } @@ -345,6 +354,7 @@ static int v2_write_dquot(struct dquot *dquot) struct quota_info *dqopt = sb_dqopt(dquot->dq_sb); int ret; bool alloc = false; + unsigned int memalloc; /* * If space for dquot is already allocated, we don't need any @@ -358,9 +368,11 @@ static int v2_write_dquot(struct dquot *dquot) } else { down_read(&dqopt->dqio_sem); } + memalloc = memalloc_nofs_save(); ret = qtree_write_dquot( sb_dqinfo(dquot->dq_sb, dquot->dq_id.type)->dqi_priv, dquot); + memalloc_nofs_restore(memalloc); if (alloc) up_write(&dqopt->dqio_sem); else @@ -371,10 +383,13 @@ static int v2_write_dquot(struct dquot *dquot) static int v2_release_dquot(struct dquot *dquot) { struct quota_info *dqopt = sb_dqopt(dquot->dq_sb); + unsigned int memalloc; int ret; down_write(&dqopt->dqio_sem); + memalloc = memalloc_nofs_save(); ret = qtree_release_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_id.type)->dqi_priv, dquot); + memalloc_nofs_restore(memalloc); up_write(&dqopt->dqio_sem); return ret; @@ -389,10 +404,13 @@ static int v2_free_file_info(struct super_block *sb, int type) static int v2_get_next_id(struct super_block *sb, struct kqid *qid) { struct quota_info *dqopt = sb_dqopt(sb); + unsigned int memalloc; int ret; down_read(&dqopt->dqio_sem); + memalloc = memalloc_nofs_save(); ret = qtree_get_next_id(sb_dqinfo(sb, qid->type)->dqi_priv, qid); + memalloc_nofs_restore(memalloc); up_read(&dqopt->dqio_sem); return ret; } @@ -422,12 +440,9 @@ static struct quota_format_type v2r1_quota_format = { static int __init init_v2_quota_format(void) { - int ret; - - ret = register_quota_format(&v2r0_quota_format); - if (ret) - return ret; - return register_quota_format(&v2r1_quota_format); + register_quota_format(&v2r0_quota_format); + register_quota_format(&v2r1_quota_format); + return 0; } static void __exit exit_v2_quota_format(void) |