Since only parts of extents longer than F2FS_MIN_EXTENT_LEN will
be kept in extent cache after split, extents already shorter than
F2FS_MIN_EXTENT_LEN don't need to try split at all.
Signed-off-by: Fan Li <fanofcode...@samsung.com>
---
fs/f2fs/data.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 37a2632..e2996cb 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -585,7 +585,7 @@ static bool f2fs_update_extent_tree(struct inode *inode,
pgoff_t fofs,
__detach_extent_node(sbi, et, en);
/* 2. if extent can be split more, split and insert the left part */
- if (dei.len > 1) {
+ if (dei.len > F2FS_MIN_EXTENT_LEN) {
/* insert left part of split extent into cache */
if (fofs - dei.fofs >= F2FS_MIN_EXTENT_LEN) {
set_extent_info(&ei, dei.fofs, dei.blk,
--
1.7.9.5
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