diff options
Diffstat (limited to 'fs/btrfs/extent_io.c')
| -rw-r--r-- | fs/btrfs/extent_io.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 9e2ef27672e5..78229007f99e 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2138,6 +2138,40 @@ out: return 0; } +/* + * Can be called when + * - hold extent lock + * - under ordered extent + * - the inode is freeing + */ +void btrfs_free_io_failure_record(struct inode *inode, u64 start, u64 end) +{ + struct extent_io_tree *failure_tree = &BTRFS_I(inode)->io_failure_tree; + struct io_failure_record *failrec; + struct extent_state *state, *next; + + if (RB_EMPTY_ROOT(&failure_tree->state)) + return; + + spin_lock(&failure_tree->lock); + state = find_first_extent_bit_state(failure_tree, start, EXTENT_DIRTY); + while (state) { + if (state->start > end) + break; + + ASSERT(state->end <= end); + + next = next_state(state); + + failrec = (struct io_failure_record *)state->private; + free_extent_state(state); + kfree(failrec); + + state = next; + } + spin_unlock(&failure_tree->lock); +} + int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end, struct io_failure_record **failrec_ret) { |