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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-16 17:38:04 +0100 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-21 19:27:10 +0100 |
| commit | 00fff4dd58661944af9cb4fe8fe61b4105931776 (patch) | |
| tree | d16b3409cd300ba8e0685351171491b300991367 /fs/bcachefs/fs-io-direct.c | |
| parent | bcachefs: remove redundant variable tmp (diff) | |
| download | linux-00fff4dd58661944af9cb4fe8fe61b4105931776.tar.xz linux-00fff4dd58661944af9cb4fe8fe61b4105931776.zip | |
bcachefs: bios must be 512 byte algined
Fixes: 023f9ac9f70f bcachefs: Delete dio read alignment check
Reported-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to '')
| -rw-r--r-- | fs/bcachefs/fs-io-direct.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/bcachefs/fs-io-direct.c b/fs/bcachefs/fs-io-direct.c index fdd57c5785c9..e3b219e19e10 100644 --- a/fs/bcachefs/fs-io-direct.c +++ b/fs/bcachefs/fs-io-direct.c @@ -77,6 +77,10 @@ static int bch2_direct_IO_read(struct kiocb *req, struct iov_iter *iter) bch2_inode_opts_get(&opts, c, &inode->ei_inode); + /* bios must be 512 byte aligned: */ + if ((offset|iter->count) & (SECTOR_SIZE - 1)) + return -EINVAL; + ret = min_t(loff_t, iter->count, max_t(loff_t, 0, i_size_read(&inode->v) - offset)); |