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authorLiu Bo <bo.li.liu@oracle.com>2015-06-17 11:59:58 +0300
committerChris Mason <clm@fb.com>2015-07-02 03:17:21 +0300
commitddba1bfc2369cd0566bcfdab47599834a32d1c19 (patch)
tree81924f0b14728137202db0732582cfa5f05d6703 /fs/btrfs/btrfs_inode.h
parentad9ee2053f3f2babebc09ebc4970daa66c56c7ee (diff)
downloadlinux-ddba1bfc2369cd0566bcfdab47599834a32d1c19.tar.xz
Btrfs: fix warning of bytes_may_use
While running generic/019, dmesg got several warnings from btrfs_free_reserved_data_space(). Test generic/019 produces some disk failures so sumbit dio will get errors, in which case, btrfs_direct_IO() goes to the error handling and free bytes_may_use, but the problem is that bytes_may_use has been free'd during get_block(). This adds a runtime flag to show if we've gone through get_block(), if so, don't do the cleanup work. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: Filipe Manana <fdmanana@suse.com> Tested-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/btrfs_inode.h')
-rw-r--r--fs/btrfs/btrfs_inode.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 0ef5cc13fae2..81220b2203c6 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -44,6 +44,8 @@
#define BTRFS_INODE_IN_DELALLOC_LIST 9
#define BTRFS_INODE_READDIO_NEED_LOCK 10
#define BTRFS_INODE_HAS_PROPS 11
+/* DIO is ready to submit */
+#define BTRFS_INODE_DIO_READY 12
/*
* The following 3 bits are meant only for the btree inode.
* When any of them is set, it means an error happened while writing an