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btrfs: grab fs_info from extent_buffer in btrfs_mark_buffer_dirty

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Since commit f28491e0a6 ("Btrfs: move the extent buffer radix tree into
the fs_info"), fs_info can be grabbed from extent_buffer directly.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo
2020-11-03 21:30:46 +08:00
committed by David Sterba
parent 478ef8868f
commit 2f4d60dfae
1 changed files with 1 additions and 4 deletions
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5
fs/btrfs/disk-io.c
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@@ -4187,8 +4187,7 @@ int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid,
void btrfs_mark_buffer_dirty(struct extent_buffer *buf) void btrfs_mark_buffer_dirty(struct extent_buffer *buf)
{ {
struct btrfs_fs_info *fs_info; struct btrfs_fs_info *fs_info = buf->fs_info;
struct btrfs_root *root;
u64 transid = btrfs_header_generation(buf); u64 transid = btrfs_header_generation(buf);
int was_dirty; int was_dirty;
@@ -4201,8 +4200,6 @@ void btrfs_mark_buffer_dirty(struct extent_buffer *buf)
if (unlikely(test_bit(EXTENT_BUFFER_UNMAPPED, &buf->bflags))) if (unlikely(test_bit(EXTENT_BUFFER_UNMAPPED, &buf->bflags)))
return; return;
#endif #endif
root = BTRFS_I(buf->pages[0]->mapping->host)->root;
fs_info = root->fs_info;
btrfs_assert_tree_locked(buf); btrfs_assert_tree_locked(buf);
if (transid != fs_info->generation) if (transid != fs_info->generation)
WARN(1, KERN_CRIT "btrfs transid mismatch buffer %llu, found %llu running %llu\n", WARN(1, KERN_CRIT "btrfs transid mismatch buffer %llu, found %llu running %llu\n",