diff options
Diffstat (limited to 'fs/sync.c')
| -rw-r--r-- | fs/sync.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/fs/sync.c b/fs/sync.c index 418727a2a23..92b228176f7 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -5,6 +5,7 @@ #include <linux/kernel.h> #include <linux/file.h> #include <linux/fs.h> +#include <linux/slab.h> #include <linux/module.h> #include <linux/sched.h> #include <linux/writeback.h> @@ -13,6 +14,7 @@ #include <linux/pagemap.h> #include <linux/quotaops.h> #include <linux/buffer_head.h> +#include <linux/backing-dev.h> #include "internal.h" #define VALID_FLAGS (SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE| \ @@ -31,17 +33,17 @@ static int __sync_filesystem(struct super_block *sb, int wait) * This should be safe, as we require bdi backing to actually * write out data in the first place */ - if (!sb->s_bdi) + if (!sb->s_bdi || sb->s_bdi == &noop_backing_dev_info) return 0; - /* Avoid doing twice syncing and cache pruning for quota sync */ - if (!wait) { - writeout_quota_sb(sb, -1); - writeback_inodes_sb(sb); - } else { - sync_quota_sb(sb, -1); + if (sb->s_qcop && sb->s_qcop->quota_sync) + sb->s_qcop->quota_sync(sb, -1, wait); + + if (wait) sync_inodes_sb(sb); - } + else + writeback_inodes_sb(sb); + if (sb->s_op->sync_fs) sb->s_op->sync_fs(sb, wait); return __sync_blockdev(sb->s_bdev, wait); |