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| author | Andrew Morton <akpm@linux-foundation.org> | 2022-10-16 16:06:53 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-16 16:06:53 -0700 |
| commit | 280330fac48280e16454cfa46c368af4812ad79c (patch) | |
| tree | 18b9ed796c57e3929e50b9b03f2c6501740b03d6 /fs/dax.c | |
| parent | d0d51a97063db4704a5ef6bc978dddab1636a306 (diff) | |
| parent | 4fe89d07dcc2804c8b562f6c7896a45643d34b2f (diff) | |
Merge branch 'master' into mm-hotfixes-stable
Diffstat (limited to 'fs/dax.c')
| -rw-r--r-- | fs/dax.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -1445,6 +1445,9 @@ dax_iomap_rw(struct kiocb *iocb, struct iov_iter *iter, loff_t done = 0; int ret; + if (!iomi.len) + return 0; + if (iov_iter_rw(iter) == WRITE) { lockdep_assert_held_write(&iomi.inode->i_rwsem); iomi.flags |= IOMAP_WRITE; |