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| author | Chao Yu <chao@kernel.org> | 2024-02-22 13:18:51 +0100 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2024-02-29 17:34:34 +0100 |
| commit | 8b10d3653735e117bc1954ade80d75ad7b46b801 (patch) | |
| tree | 1a10c5b7bfab11d04f5da5995e77f5c0a5fff218 /fs/f2fs | |
| parent | f2fs: compress: fix to check compress flag w/ .i_sem lock (diff) | |
| download | linux-8b10d3653735e117bc1954ade80d75ad7b46b801.tar.xz linux-8b10d3653735e117bc1954ade80d75ad7b46b801.zip | |
f2fs: introduce FAULT_NO_SEGMENT
Use it to simulate no free segment case during block allocation.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/f2fs.h | 1 | ||||
| -rw-r--r-- | fs/f2fs/segment.c | 5 | ||||
| -rw-r--r-- | fs/f2fs/super.c | 1 |
3 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 4ce48dbae55b..f1ec1a53afec 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -62,6 +62,7 @@ enum { FAULT_LOCK_OP, FAULT_BLKADDR_VALIDITY, FAULT_BLKADDR_CONSISTENCE, + FAULT_NO_SEGMENT, FAULT_MAX, }; diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index a5339dd7a932..dab9544f871a 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2656,6 +2656,11 @@ static int get_new_segment(struct f2fs_sb_info *sbi, spin_lock(&free_i->segmap_lock); + if (time_to_inject(sbi, FAULT_NO_SEGMENT)) { + ret = -ENOSPC; + goto out_unlock; + } + if (!new_sec && ((*newseg + 1) % SEGS_PER_SEC(sbi))) { segno = find_next_zero_bit(free_i->free_segmap, GET_SEG_FROM_SEC(sbi, hint + 1), *newseg + 1); diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 329f317e6f09..6190aace3d8c 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -63,6 +63,7 @@ const char *f2fs_fault_name[FAULT_MAX] = { [FAULT_LOCK_OP] = "lock_op", [FAULT_BLKADDR_VALIDITY] = "invalid blkaddr", [FAULT_BLKADDR_CONSISTENCE] = "inconsistent blkaddr", + [FAULT_NO_SEGMENT] = "no free segment", }; void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |