diff options
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 0e1ca423e22..02d802cdd59 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -168,8 +168,10 @@ int btrfs_readpage_end_io_hook(struct page *page, u64 start, u64 end) int ret; struct btrfs_root *root = BTRFS_I(inode)->root; u32 csum = ~(u32)0; + unsigned long flags; ret = get_state_private(em_tree, start, &private); + local_irq_save(flags); kaddr = kmap_atomic(page, KM_IRQ0); if (ret) { goto zeroit; @@ -180,6 +182,7 @@ int btrfs_readpage_end_io_hook(struct page *page, u64 start, u64 end) goto zeroit; } kunmap_atomic(kaddr, KM_IRQ0); + local_irq_restore(flags); return 0; zeroit: @@ -188,6 +191,7 @@ zeroit: memset(kaddr + offset, 1, end - start + 1); flush_dcache_page(page); kunmap_atomic(kaddr, KM_IRQ0); + local_irq_restore(flags); return 0; } |