Message ID | 20230418004049.3262659-1-jaegeuk@kernel.org (mailing list archive) |
---|---|
State | New |
Headers | show |
Series | [f2fs-dev] f2fs: remove power-of-two limitation fo zoned device | expand |
In f2fs, there's no reason to force po2.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
Change log from v1:
- fix udiv
fs/f2fs/f2fs.h | 3 +--
fs/f2fs/gc.c | 4 ++--
fs/f2fs/segment.c | 2 +-
fs/f2fs/super.c | 8 ++------
4 files changed, 6 insertions(+), 11 deletions(-)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 6cae94d51821..d8cb1dc09f9f 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1523,7 +1523,6 @@ struct f2fs_sb_info {
#ifdef CONFIG_BLK_DEV_ZONED
unsigned int blocks_per_blkz; /* F2FS blocks per zone */
- unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */
#endif
/* for node-related operations */
@@ -4377,7 +4376,7 @@ F2FS_FEATURE_FUNCS(readonly, RO);
static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi,
block_t blkaddr)
{
- unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz;
+ unsigned int zno = blkaddr / sbi->blocks_per_blkz;
return test_bit(zno, FDEV(devi).blkz_seq);
}
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index a6a0dc471b74..61c5f9d26018 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -2093,8 +2093,8 @@ static void update_fs_metadata(struct f2fs_sb_info *sbi, int secs)
FDEV(last_dev).end_blk =
(long long)FDEV(last_dev).end_blk + blks;
#ifdef CONFIG_BLK_DEV_ZONED
- FDEV(last_dev).nr_blkz = (int)FDEV(last_dev).nr_blkz +
- (int)(blks >> sbi->log_blocks_per_blkz);
+ FDEV(last_dev).nr_blkz = FDEV(last_dev).nr_blkz +
+ div_u64(blks, sbi->blocks_per_blkz);
#endif
}
}
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index c35476b3c075..641bd8cc54da 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2075,7 +2075,7 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
if (force && start >= cpc->trim_start &&
(end - 1) <= cpc->trim_end)
- continue;
+ continue;
/* Should cover 2MB zoned device for zone-based reset */
if (!f2fs_sb_has_blkzoned(sbi) &&
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 4e53b1100b84..9f15b03037db 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3806,12 +3806,8 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi)
SECTOR_TO_BLOCK(zone_sectors))
return -EINVAL;
sbi->blocks_per_blkz = SECTOR_TO_BLOCK(zone_sectors);
- if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz !=
- __ilog2_u32(sbi->blocks_per_blkz))
- return -EINVAL;
- sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz);
- FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >>
- sbi->log_blocks_per_blkz;
+ FDEV(devi).nr_blkz = div_u64(SECTOR_TO_BLOCK(nr_sectors),
+ sbi->blocks_per_blkz);
if (nr_sectors & (zone_sectors - 1))
FDEV(devi).nr_blkz++;
On 2023/4/18 23:55, Jaegeuk Kim wrote: > In f2fs, there's no reason to force po2. > > Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> Reviewed-by: Chao Yu <chao@kernel.org> Thanks,
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 6cae94d51821..d8cb1dc09f9f 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1523,7 +1523,6 @@ struct f2fs_sb_info { #ifdef CONFIG_BLK_DEV_ZONED unsigned int blocks_per_blkz; /* F2FS blocks per zone */ - unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */ #endif /* for node-related operations */ @@ -4377,7 +4376,7 @@ F2FS_FEATURE_FUNCS(readonly, RO); static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi, block_t blkaddr) { - unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz; + unsigned int zno = blkaddr / sbi->blocks_per_blkz; return test_bit(zno, FDEV(devi).blkz_seq); } diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index a6a0dc471b74..d69b5c7544eb 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -2094,7 +2094,7 @@ static void update_fs_metadata(struct f2fs_sb_info *sbi, int secs) (long long)FDEV(last_dev).end_blk + blks; #ifdef CONFIG_BLK_DEV_ZONED FDEV(last_dev).nr_blkz = (int)FDEV(last_dev).nr_blkz + - (int)(blks >> sbi->log_blocks_per_blkz); + (int)(blks / sbi->blocks_per_blkz); #endif } } diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index c35476b3c075..641bd8cc54da 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2075,7 +2075,7 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi, if (force && start >= cpc->trim_start && (end - 1) <= cpc->trim_end) - continue; + continue; /* Should cover 2MB zoned device for zone-based reset */ if (!f2fs_sb_has_blkzoned(sbi) && diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 4e53b1100b84..5e4cd0249ffd 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -3806,12 +3806,7 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) SECTOR_TO_BLOCK(zone_sectors)) return -EINVAL; sbi->blocks_per_blkz = SECTOR_TO_BLOCK(zone_sectors); - if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz != - __ilog2_u32(sbi->blocks_per_blkz)) - return -EINVAL; - sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz); - FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >> - sbi->log_blocks_per_blkz; + FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) / sbi->blocks_per_blkz; if (nr_sectors & (zone_sectors - 1)) FDEV(devi).nr_blkz++;
In f2fs, there's no reason to force po2. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/f2fs.h | 3 +-- fs/f2fs/gc.c | 2 +- fs/f2fs/segment.c | 2 +- fs/f2fs/super.c | 7 +------ 4 files changed, 4 insertions(+), 10 deletions(-)