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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-12-16 16:36:36 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-01-03 08:59:06 -0800 |
| commit | 22a341b43036415718f2d50f5f98b2f891fe17e9 (patch) | |
| tree | 0c2e59da8f292cef4db20962ee2d4127b50a1c41 /fs | |
| parent | ed2724765e58e3310d3de48f4a1761631b3dd640 (diff) | |
| download | linux-22a341b43036415718f2d50f5f98b2f891fe17e9.tar.bz2 | |
f2fs: should use a temp extent_info for lookup
Otherwise, __lookup_extent_tree() will override the given extent_info which will
be used by caller.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/f2fs/extent_cache.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c index cc3fed04dd6f..7b191ff65631 100644 --- a/fs/f2fs/extent_cache.c +++ b/fs/f2fs/extent_cache.c @@ -888,6 +888,7 @@ static int __get_new_block_age(struct inode *inode, struct extent_info *ei, loff_t f_size = i_size_read(inode); unsigned long long cur_blocks = atomic64_read(&sbi->allocated_data_blocks); + struct extent_info tei = *ei; /* only fofs and len are valid */ /* * When I/O is not aligned to a PAGE_SIZE, update will happen to the last @@ -898,17 +899,17 @@ static int __get_new_block_age(struct inode *inode, struct extent_info *ei, blkaddr == NEW_ADDR) return -EINVAL; - if (__lookup_extent_tree(inode, ei->fofs, ei, EX_BLOCK_AGE)) { + if (__lookup_extent_tree(inode, ei->fofs, &tei, EX_BLOCK_AGE)) { unsigned long long cur_age; - if (cur_blocks >= ei->last_blocks) - cur_age = cur_blocks - ei->last_blocks; + if (cur_blocks >= tei.last_blocks) + cur_age = cur_blocks - tei.last_blocks; else /* allocated_data_blocks overflow */ - cur_age = ULLONG_MAX - ei->last_blocks + cur_blocks; + cur_age = ULLONG_MAX - tei.last_blocks + cur_blocks; - if (ei->age) - ei->age = __calculate_block_age(cur_age, ei->age); + if (tei.age) + ei->age = __calculate_block_age(cur_age, tei.age); else ei->age = cur_age; ei->last_blocks = cur_blocks; |