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f2fs: fix to allow migrating fully valid segment

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[ Upstream commit 7dede88659df38f96128ab3922c50dde2d29c574 ]

F2FS_IOC_FLUSH_DEVICE/F2FS_IOC_RESIZE_FS needs to migrate all blocks of
target segment to other place, no matter the segment has partially or fully
valid blocks.

However, after commit 803e74be04 ("f2fs: stop GC when the victim becomes
fully valid"), we may skip migration due to target segment is fully valid,
result in failing the ioctl interface, fix this.

Fixes: 803e74be04 ("f2fs: stop GC when the victim becomes fully valid")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chao Yu
2021-02-20 17:35:40 +08:00
committed by Greg Kroah-Hartman
parent de2041d92d
commit 81ba1634d1
5 changed files with 20 additions and 16 deletions
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2
fs/f2fs/segment.c
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@@ -507,7 +507,7 @@ void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need)
*/
if (has_not_enough_free_secs(sbi, 0, 0)) {
down_write(&sbi->gc_lock);
f2fs_gc(sbi, false, false, NULL_SEGNO);
f2fs_gc(sbi, false, false, false, NULL_SEGNO);
}
}