diff options
Diffstat (limited to 'fs/sync.c')
| -rw-r--r-- | fs/sync.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/fs/sync.c b/fs/sync.c index 905f3f6b3d85..f15537452231 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -27,10 +27,11 @@ * wait == 1 case since in that case write_inode() functions do * sync_dirty_buffer() and thus effectively write one block at a time. */ -static int __sync_filesystem(struct super_block *sb, int wait) +static int __sync_filesystem(struct super_block *sb, int wait, + unsigned long start) { if (wait) - sync_inodes_sb(sb); + sync_inodes_sb(sb, start); else writeback_inodes_sb(sb, WB_REASON_SYNC); @@ -47,6 +48,7 @@ static int __sync_filesystem(struct super_block *sb, int wait) int sync_filesystem(struct super_block *sb) { int ret; + unsigned long start = jiffies; /* * We need to be protected against the filesystem going from @@ -60,17 +62,17 @@ int sync_filesystem(struct super_block *sb) if (sb->s_flags & MS_RDONLY) return 0; - ret = __sync_filesystem(sb, 0); + ret = __sync_filesystem(sb, 0, start); if (ret < 0) return ret; - return __sync_filesystem(sb, 1); + return __sync_filesystem(sb, 1, start); } EXPORT_SYMBOL_GPL(sync_filesystem); static void sync_inodes_one_sb(struct super_block *sb, void *arg) { if (!(sb->s_flags & MS_RDONLY)) - sync_inodes_sb(sb); + sync_inodes_sb(sb, *((unsigned long *)arg)); } static void sync_fs_one_sb(struct super_block *sb, void *arg) @@ -102,9 +104,10 @@ static void fdatawait_one_bdev(struct block_device *bdev, void *arg) SYSCALL_DEFINE0(sync) { int nowait = 0, wait = 1; + unsigned long start = jiffies; wakeup_flusher_threads(0, WB_REASON_SYNC); - iterate_supers(sync_inodes_one_sb, NULL); + iterate_supers(sync_inodes_one_sb, &start); iterate_supers(sync_fs_one_sb, &nowait); iterate_supers(sync_fs_one_sb, &wait); iterate_bdevs(fdatawrite_one_bdev, NULL); @@ -177,7 +180,7 @@ SYSCALL_DEFINE1(syncfs, int, fd) */ int vfs_fsync_range(struct file *file, loff_t start, loff_t end, int datasync) { - if (!file->f_op || !file->f_op->fsync) + if (!file->f_op->fsync) return -EINVAL; return file->f_op->fsync(file, start, end, datasync); } |