Merge remote-tracking branch 'ecryptfs/next'

[karo-tx-linux.git] / fs / fs-writeback.c

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 87d778118027c67fdc3108301d4a99b46cdd7618..9f4935b8f2087eb44475bf7fb8aab20f44889e86 100644 (file)
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -69,7 +69,7 @@ static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)
 {
        struct super_block *sb = inode->i_sb;
 
-       if (strcmp(sb->s_type->name, "bdev") == 0)
+       if (sb_is_blkdev_sb(sb))
                return inode->i_mapping->backing_dev_info;
 
        return sb->s_bdi;
@@ -251,11 +251,13 @@ static int move_expired_inodes(struct list_head *delaying_queue,
                if (work->older_than_this &&
                    inode_dirtied_after(inode, *work->older_than_this))
                        break;
+               list_move(&inode->i_wb_list, &tmp);
+               moved++;
+               if (sb_is_blkdev_sb(inode->i_sb))
+                       continue;
                if (sb && sb != inode->i_sb)
                        do_sb_sort = 1;
                sb = inode->i_sb;
-               list_move(&inode->i_wb_list, &tmp);
-               moved++;
        }
 
        /* just one sb in list, splice to dispatch_queue and we're done */
@@ -723,7 +725,7 @@ static long __writeback_inodes_wb(struct bdi_writeback *wb,
        return wrote;
 }
 
-long writeback_inodes_wb(struct bdi_writeback *wb, long nr_pages,
+static long writeback_inodes_wb(struct bdi_writeback *wb, long nr_pages,
                                enum wb_reason reason)
 {
        struct wb_writeback_work work = {
@@ -1171,6 +1173,8 @@ void __mark_inode_dirty(struct inode *inode, int flags)
                        bool wakeup_bdi = false;
                        bdi = inode_to_bdi(inode);
 
+                       spin_unlock(&inode->i_lock);
+                       spin_lock(&bdi->wb.list_lock);
                        if (bdi_cap_writeback_dirty(bdi)) {
                                WARN(!test_bit(BDI_registered, &bdi->state),
                                     "bdi-%s not registered\n", bdi->name);
@@ -1185,8 +1189,6 @@ void __mark_inode_dirty(struct inode *inode, int flags)
                                        wakeup_bdi = true;
                        }
 
-                       spin_unlock(&inode->i_lock);
-                       spin_lock(&bdi->wb.list_lock);
                        inode->dirtied_when = jiffies;
                        list_move(&inode->i_wb_list, &bdi->wb.b_dirty);
                        spin_unlock(&bdi->wb.list_lock);