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| author | Chao Yu <chao@kernel.org> | 2025-05-12 19:54:41 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2025-05-27 23:52:35 +0000 |
| commit | 9b6fc9888e03dbe69768ace00091173b169aec39 (patch) | |
| tree | 6e65fbe75d5aa84fe35b00d512d29025b751be1f /fs/f2fs/checkpoint.c | |
| parent | f2fs: remove unused sbi argument from checksum functions (diff) | |
| download | linux-9b6fc9888e03dbe69768ace00091173b169aec39.tar.gz linux-9b6fc9888e03dbe69768ace00091173b169aec39.zip | |
f2fs: add f2fs_bug_on() to detect potential bug
Add f2fs_bug_on() to check whether memory preallocation will fail or
not after radix_tree_preload(GFP_NOFS | __GFP_NOFAIL).
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/checkpoint.c')
| -rw-r--r-- | fs/f2fs/checkpoint.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 39ee75321d14..164b7719f365 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -504,6 +504,7 @@ static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, { struct inode_management *im = &sbi->im[type]; struct ino_entry *e = NULL, *new = NULL; + int ret; if (type == FLUSH_INO) { rcu_read_lock(); @@ -516,7 +517,8 @@ retry: new = f2fs_kmem_cache_alloc(ino_entry_slab, GFP_NOFS, true, NULL); - radix_tree_preload(GFP_NOFS | __GFP_NOFAIL); + ret = radix_tree_preload(GFP_NOFS | __GFP_NOFAIL); + f2fs_bug_on(sbi, ret); spin_lock(&im->ino_lock); e = radix_tree_lookup(&im->ino_root, ino); |