From: Shin'ichiro Kawasaki Date: Wed, 17 Feb 2021 09:58:11 +0000 (+0900) Subject: zonefs: Fix file size of zones in full condition X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=059c01039c0185dbee7ed080f1f2bd22cb1e4dab;p=linux.git zonefs: Fix file size of zones in full condition Per ZBC/ZAC/ZNS specifications, write pointers may not have valid values when zones are in full condition. However, when zonefs mounts a zoned block device, zonefs refers write pointers to set file size even when the zones are in full condition. This results in wrong file size. To fix this, refer maximum file size in place of write pointers for zones in full condition. Signed-off-by: Shin'ichiro Kawasaki Fixes: 8dcc1a9d90c1 ("fs: New zonefs file system") Cc: # 5.6+ Signed-off-by: Damien Le Moal --- diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c index 96f0cb0c29aab..2e2a234d387be 100644 --- a/fs/zonefs/super.c +++ b/fs/zonefs/super.c @@ -256,6 +256,9 @@ static loff_t zonefs_check_zone_condition(struct inode *inode, } inode->i_mode &= ~0222; return i_size_read(inode); + case BLK_ZONE_COND_FULL: + /* The write pointer of full zones is invalid. */ + return zi->i_max_size; default: if (zi->i_ztype == ZONEFS_ZTYPE_CNV) return zi->i_max_size;