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Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c50
1 files changed, 25 insertions, 25 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 274318e9114e..0163fdd59f8f 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -32,6 +32,7 @@
#include "block-rsv.h"
#include "delalloc-space.h"
#include "block-group.h"
+#include "discard.h"
#undef SCRAMBLE_DELAYED_REFS
@@ -2923,7 +2924,7 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans)
break;
}
- if (btrfs_test_opt(fs_info, DISCARD))
+ if (btrfs_test_opt(fs_info, DISCARD_SYNC))
ret = btrfs_discard_extent(fs_info, start,
end + 1 - start, NULL);
@@ -2934,6 +2935,11 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans)
cond_resched();
}
+ if (btrfs_test_opt(fs_info, DISCARD_ASYNC)) {
+ btrfs_discard_calc_delay(&fs_info->discard_ctl);
+ btrfs_discard_schedule_work(&fs_info->discard_ctl, true);
+ }
+
/*
* Transaction is finished. We don't need the lock anymore. We
* do need to clean up the block groups in case of a transaction
@@ -3438,7 +3444,6 @@ btrfs_release_block_group(struct btrfs_block_group *cache,
*/
struct find_free_extent_ctl {
/* Basic allocation info */
- u64 ram_bytes;
u64 num_bytes;
u64 empty_size;
u64 flags;
@@ -3810,7 +3815,6 @@ static noinline int find_free_extent(struct btrfs_fs_info *fs_info,
WARN_ON(num_bytes < fs_info->sectorsize);
- ffe_ctl.ram_bytes = ram_bytes;
ffe_ctl.num_bytes = num_bytes;
ffe_ctl.empty_size = empty_size;
ffe_ctl.flags = flags;
@@ -4165,12 +4169,10 @@ again:
return ret;
}
-static int __btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,
- u64 start, u64 len,
- int pin, int delalloc)
+int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,
+ u64 start, u64 len, int delalloc)
{
struct btrfs_block_group *cache;
- int ret = 0;
cache = btrfs_lookup_block_group(fs_info, start);
if (!cache) {
@@ -4179,30 +4181,28 @@ static int __btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,
return -ENOSPC;
}
- if (pin)
- pin_down_extent(cache, start, len, 1);
- else {
- if (btrfs_test_opt(fs_info, DISCARD))
- ret = btrfs_discard_extent(fs_info, start, len, NULL);
- btrfs_add_free_space(cache, start, len);
- btrfs_free_reserved_bytes(cache, len, delalloc);
- trace_btrfs_reserved_extent_free(fs_info, start, len);
- }
+ btrfs_add_free_space(cache, start, len);
+ btrfs_free_reserved_bytes(cache, len, delalloc);
+ trace_btrfs_reserved_extent_free(fs_info, start, len);
btrfs_put_block_group(cache);
- return ret;
+ return 0;
}
-int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,
- u64 start, u64 len, int delalloc)
+int btrfs_pin_reserved_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len)
{
- return __btrfs_free_reserved_extent(fs_info, start, len, 0, delalloc);
-}
+ struct btrfs_block_group *cache;
+ int ret = 0;
-int btrfs_free_and_pin_reserved_extent(struct btrfs_fs_info *fs_info,
- u64 start, u64 len)
-{
- return __btrfs_free_reserved_extent(fs_info, start, len, 1, 0);
+ cache = btrfs_lookup_block_group(fs_info, start);
+ if (!cache) {
+ btrfs_err(fs_info, "unable to find block group for %llu", start);
+ return -ENOSPC;
+ }
+
+ ret = pin_down_extent(cache, start, len, 1);
+ btrfs_put_block_group(cache);
+ return ret;
}
static int alloc_reserved_file_extent(struct btrfs_trans_handle *trans,