Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus

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

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 68851ff2fd41c04385c5d237d8ef4a109680bc0b..30f6f27d5a59a51a4c89334b457b227318e860d7 100644 (file)
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -723,7 +723,7 @@ 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 = {
@@ -1049,10 +1049,8 @@ void wakeup_flusher_threads(long nr_pages, enum wb_reason reason)
 {
        struct backing_dev_info *bdi;
 
-       if (!nr_pages) {
-               nr_pages = global_page_state(NR_FILE_DIRTY) +
-                               global_page_state(NR_UNSTABLE_NFS);
-       }
+       if (!nr_pages)
+               nr_pages = get_nr_dirty_pages();
 
        rcu_read_lock();
        list_for_each_entry_rcu(bdi, &bdi_list, bdi_list) {
@@ -1173,6 +1171,8 @@ 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);
@@ -1187,8 +1187,6 @@ 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);