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| author | Chao Yu <chao@kernel.org> | 2022-02-04 08:34:10 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-02-03 22:21:28 -0800 |
| commit | 430f163b01888dc26696365d9c1053ba9d6c7d92 (patch) | |
| tree | 076333f82610ab1c0ea54be69b4a12cb23009e58 /fs/f2fs/f2fs.h | |
| parent | 6d18762ed5cd549fde74fd0e05d4d87bac5a3beb (diff) | |
| download | linux-next-430f163b01888dc26696365d9c1053ba9d6c7d92.tar.gz | |
f2fs: adjust readahead block number during recovery
In a fragmented image, entries in dnode block list may locate in
incontiguous physical block address space, however, in recovery flow,
we will always readahead BIO_MAX_VECS size blocks, so in such case,
current readahead policy is low efficient, let's adjust readahead
window size dynamically based on consecutiveness of dnode blocks.
Signed-off-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 | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 63c90416364b..51c1392708e6 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -590,6 +590,9 @@ enum { /* number of extent info in extent cache we try to shrink */ #define EXTENT_CACHE_SHRINK_NUMBER 128 +#define RECOVERY_MAX_RA_BLOCKS BIO_MAX_VECS +#define RECOVERY_MIN_RA_BLOCKS 1 + struct rb_entry { struct rb_node rb_node; /* rb node located in rb-tree */ union { @@ -3651,7 +3654,8 @@ bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, block_t blkaddr, int type); int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, int type, bool sync); -void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index); +void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index, + unsigned int ra_blocks); long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type, long nr_to_write, enum iostat_type io_type); void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); |