diff options
| author | Luis Chamberlain <mcgrof@kernel.org> | 2022-04-27 18:02:54 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-05-06 10:18:12 -0700 |
| commit | 7f262f737502689ddc77117ffdefaea0a4a25b03 (patch) | |
| tree | dd0d017180340288c1593e54d969ea98ea90ec4c /fs/f2fs | |
| parent | d46db4595be680bf9facb783fb95cf03b85f1d05 (diff) | |
f2fs: ensure only power of 2 zone sizes are allowed
F2FS zoned support has power of 2 zone size assumption in many places
such as in __f2fs_issue_discard_zone, init_blkz_info. As the power of 2
requirement has been removed from the block layer, explicitly add a
condition in f2fs to allow only power of 2 zone size devices.
This condition will be relaxed once those calculation based on power of
2 is made generic.
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/super.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index df232ec85871..d06a577a1208 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -3658,6 +3658,10 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) return 0; zone_sectors = bdev_zone_sectors(bdev); + if (!is_power_of_2(zone_sectors)) { + f2fs_err(sbi, "F2FS does not support non power of 2 zone sizes\n"); + return -EINVAL; + } if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != SECTOR_TO_BLOCK(zone_sectors)) |