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authorQu Wenruo <wqu@suse.com>2020-09-15 13:35:27 +0800
committerDavid Sterba <dsterba@suse.com>2020-10-07 12:13:22 +0200
commit2c53a14dd30124de9468316933715deaf7443096 (patch)
treee644a946cccd091692f9ca47715f6db2aea5b448 /fs/btrfs
parent6b613cc97f0ace77f92f7bc112b8f6ad3f52baf8 (diff)
downloadlinux-2c53a14dd30124de9468316933715deaf7443096.tar.bz2
btrfs: use own btree inode io_tree owner id
Btree inode is special compared to all other inode extent io_trees, although it has a btrfs inode, it doesn't have the track_uptodate bit at all. This means a lot of things like extent locking doesn't even need to be applied to btree io tree. Since it's so special, adds a new owner value for it to make debuging a little easier. Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/disk-io.c2
-rw-r--r--fs/btrfs/extent-io-tree.h1
2 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 53b588a7e150..ebc110231f30 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2062,7 +2062,7 @@ static void btrfs_init_btree_inode(struct btrfs_fs_info *fs_info)
RB_CLEAR_NODE(&BTRFS_I(inode)->rb_node);
extent_io_tree_init(fs_info, &BTRFS_I(inode)->io_tree,
- IO_TREE_INODE_IO, inode);
+ IO_TREE_BTREE_INODE_IO, inode);
BTRFS_I(inode)->io_tree.track_uptodate = false;
extent_map_tree_init(&BTRFS_I(inode)->extent_tree);
diff --git a/fs/btrfs/extent-io-tree.h b/fs/btrfs/extent-io-tree.h
index 250b8cbaaf97..53e7b5b5d6ad 100644
--- a/fs/btrfs/extent-io-tree.h
+++ b/fs/btrfs/extent-io-tree.h
@@ -40,6 +40,7 @@ struct io_failure_record;
enum {
IO_TREE_FS_PINNED_EXTENTS,
IO_TREE_FS_EXCLUDED_EXTENTS,
+ IO_TREE_BTREE_INODE_IO,
IO_TREE_INODE_IO,
IO_TREE_INODE_IO_FAILURE,
IO_TREE_RELOC_BLOCKS,