openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

Btrfs: Drop some debugging around the extent_map pinned flag 

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2008-07-31 15:42:54 -04:00
parent 61b4944018
commit 3ce7e67a06
2 changed files with 1 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
fs/btrfs/file.c
View File

@ -380,15 +380,7 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end)
spin_unlock(&em_tree->lock);
break;
}
if (test_bit(EXTENT_FLAG_PINNED, &em->flags)) {
printk(KERN_CRIT "inode %lu trying to drop pinned "
"extent start %llu end %llu, em [%llu %llu]\n",
inode->i_ino,
(unsigned long long)start,
(unsigned long long)end,
(unsigned long long)em->start,
(unsigned long long)em->len);
}
clear_bit(EXTENT_FLAG_PINNED, &em->flags);
remove_extent_mapping(em_tree, em);
if (em->block_start < EXTENT_MAP_LAST_BYTE &&

22
fs/btrfs/inode.c
View File

@ -505,15 +505,9 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
struct btrfs_trans_handle *trans;
struct btrfs_ordered_extent *ordered_extent;
struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
struct extent_map *em;
struct extent_map *em_orig;
u64 alloc_hint = 0;
u64 clear_start;
u64 clear_end;
struct list_head list;
struct btrfs_key ins;
struct rb_node *rb;
int ret;
ret = btrfs_dec_test_ordered_pending(inode, start, end - start + 1);
@ -542,22 +536,6 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
mutex_lock(&BTRFS_I(inode)->extent_mutex);
spin_lock(&em_tree->lock);
clear_start = ordered_extent->file_offset;
clear_end = ordered_extent->file_offset + ordered_extent->len;
em = lookup_extent_mapping(em_tree, clear_start,
ordered_extent->len);
em_orig = em;
while(em && clear_start < extent_map_end(em) && clear_end > em->start) {
clear_bit(EXTENT_FLAG_PINNED, &em->flags);
rb = rb_next(&em->rb_node);
if (!rb)
break;
em = rb_entry(rb, struct extent_map, rb_node);
}
free_extent_map(em_orig);
spin_unlock(&em_tree->lock);
ret = btrfs_drop_extents(trans, root, inode,
ordered_extent->file_offset,
ordered_extent->file_offset +