diff options
Diffstat (limited to 'extent_io.c')
| -rw-r--r-- | extent_io.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/extent_io.c b/extent_io.c index 4920b291..069c199c 100644 --- a/extent_io.c +++ b/extent_io.c @@ -202,6 +202,7 @@ int clear_extent_bits(struct extent_io_tree *tree, u64 start, struct extent_state *state; struct extent_state *prealloc = NULL; struct cache_extent *node; + u64 last_end; int err; int set = 0; @@ -220,6 +221,7 @@ again: state = container_of(node, struct extent_state, cache_node); if (state->start > end) goto out; + last_end = state->end; /* * | ---- desired range ---- | @@ -243,8 +245,10 @@ again: if (err) goto out; if (state->end <= end) { - start = state->end + 1; set |= clear_state_bit(tree, state, bits); + if (last_end == (u64)-1) + goto out; + start = last_end + 1; } else { start = state->start; } @@ -267,6 +271,9 @@ again: start = state->end + 1; set |= clear_state_bit(tree, state, bits); + if (last_end == (u64)-1) + goto out; + start = last_end + 1; goto search_again; out: if (prealloc) @@ -322,8 +329,10 @@ again: if (state->start == start && state->end <= end) { set = state->state & bits; state->state |= bits; - start = state->end + 1; merge_state(tree, state); + if (last_end == (u64)-1) + goto out; + start = last_end + 1; goto search_again; } /* @@ -353,6 +362,9 @@ again: state->state |= bits; start = state->end + 1; merge_state(tree, state); + if (last_end == (u64)-1) + goto out; + start = last_end + 1; } else { start = state->start; } |