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List:       linux-btrfs
Subject:    [PATCH 3/9] btrfs: rename need_do_async_reclaim
From:       Josef Bacik <josef () toxicpanda ! com>
Date:       2020-09-30 20:01:03
Message-ID: 0a1d66e4cc97d705ec58980f5883cf2a763a44f6.1601495426.git.josef () toxicpanda ! com
[Download RAW message or body]

All of our normal flushing is asynchronous reclaim, so this helper is
poorly named.  This is more checking if we need to preemptively flush
space, so rename it to need_preemptive_reclaim.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
---
 fs/btrfs/space-info.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c
index 024daa843c56..98207ea57a3d 100644
--- a/fs/btrfs/space-info.c
+++ b/fs/btrfs/space-info.c
@@ -795,9 +795,9 @@ btrfs_calc_reclaim_metadata_size(struct btrfs_fs_info *fs_info,
 	return to_reclaim;
 }
 
-static inline int need_do_async_reclaim(struct btrfs_fs_info *fs_info,
-					struct btrfs_space_info *space_info,
-					u64 used)
+static inline int need_preemptive_reclaim(struct btrfs_fs_info *fs_info,
+					  struct btrfs_space_info *space_info,
+					  u64 used)
 {
 	u64 thresh = div_factor_fine(space_info->total_bytes, 98);
 
@@ -1015,7 +1015,7 @@ static void btrfs_preempt_reclaim_metadata_space(struct work_struct *work)
 
 	spin_lock(&space_info->lock);
 	used = btrfs_space_info_used(space_info, true);
-	while (need_do_async_reclaim(fs_info, space_info, used)) {
+	while (need_preemptive_reclaim(fs_info, space_info, used)) {
 		enum btrfs_reserve_flush_enum flush;
 		u64 delalloc_size = 0;
 		u64 to_reclaim, block_rsv_size;
@@ -1509,7 +1509,7 @@ static int __reserve_bytes(struct btrfs_fs_info *fs_info,
 		 * the async reclaim as we will panic.
 		 */
 		if (!test_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags) &&
-		    need_do_async_reclaim(fs_info, space_info, used) &&
+		    need_preemptive_reclaim(fs_info, space_info, used) &&
 		    !work_busy(&fs_info->preempt_reclaim_work)) {
 			trace_btrfs_trigger_flush(fs_info, space_info->flags,
 						  orig_bytes, flush, "preempt");
-- 
2.26.2

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