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| author |   Fengnan Chang <fengnanchang@gmail.com> | 2022-07-31 11:33:46 +0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk@kernel.org> | 2022-08-05 04:20:55 -0700 |
| commit | 01fc4b9a6ed8eacb64e5609bab7ac963e1c7e486 (patch) | |
| tree | fd9b29eea4542fca39e99bf244a1af141cee154f /fs/f2fs/f2fs.h | |
| parent | f2fs: intorduce f2fs_all_cluster_page_ready (diff) | |
| download | linux-dev-01fc4b9a6ed8eacb64e5609bab7ac963e1c7e486.tar.xz linux-dev-01fc4b9a6ed8eacb64e5609bab7ac963e1c7e486.zip | |
f2fs: use onstack pages instead of pvec
Since pvec have 15 pages, it not a multiple of 4, when write compressed
pages, write in 64K as a unit, it will call pagevec_lookup_range_tag
agagin, sometimes this will take a lot of time.
Use onstack pages instead of pvec to mitigate this problem.
Signed-off-by: Fengnan Chang <fengnanchang@gmail.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 35383f5353a4..eddfd35eadb6 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -598,6 +598,8 @@ enum { #define RECOVERY_MAX_RA_BLOCKS BIO_MAX_VECS #define RECOVERY_MIN_RA_BLOCKS 1 +#define F2FS_ONSTACK_PAGES 16 /* nr of onstack pages */ + struct rb_entry { struct rb_node rb_node; /* rb node located in rb-tree */ union { @@ -4198,7 +4200,7 @@ void f2fs_end_read_compressed_page(struct page *page, bool failed, block_t blkaddr, bool in_task); bool f2fs_cluster_is_empty(struct compress_ctx *cc); bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index); -bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct pagevec *pvec, +bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages, int index, int nr_pages, bool uptodate); bool f2fs_sanity_check_cluster(struct dnode_of_data *dn); void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page); |