diff options
| -rw-r--r-- | fs/iomap/buffered-io.c | 15 | ||||
| -rw-r--r-- | fs/iomap/direct-io.c | 3 |
2 files changed, 13 insertions, 5 deletions
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index ed7dd6426b0e..8b847a1e27f1 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -304,6 +304,9 @@ static int iomap_read_inline_data(const struct iomap_iter *iter, size_t size = i_size_read(iter->inode) - iomap->offset; size_t offset = offset_in_folio(folio, iomap->offset); + if (WARN_ON_ONCE(!iomap->inline_data)) + return -EIO; + if (folio_test_uptodate(folio)) return 0; @@ -894,7 +897,7 @@ static bool __iomap_write_end(struct inode *inode, loff_t pos, size_t len, return true; } -static void iomap_write_end_inline(const struct iomap_iter *iter, +static bool iomap_write_end_inline(const struct iomap_iter *iter, struct folio *folio, loff_t pos, size_t copied) { const struct iomap *iomap = &iter->iomap; @@ -903,12 +906,16 @@ static void iomap_write_end_inline(const struct iomap_iter *iter, WARN_ON_ONCE(!folio_test_uptodate(folio)); BUG_ON(!iomap_inline_data_valid(iomap)); + if (WARN_ON_ONCE(!iomap->inline_data)) + return false; + flush_dcache_folio(folio); addr = kmap_local_folio(folio, pos); memcpy(iomap_inline_data(iomap, pos), addr, copied); kunmap_local(addr); mark_inode_dirty(iter->inode); + return true; } /* @@ -921,10 +928,8 @@ static bool iomap_write_end(struct iomap_iter *iter, size_t len, size_t copied, const struct iomap *srcmap = iomap_iter_srcmap(iter); loff_t pos = iter->pos; - if (srcmap->type == IOMAP_INLINE) { - iomap_write_end_inline(iter, folio, pos, copied); - return true; - } + if (srcmap->type == IOMAP_INLINE) + return iomap_write_end_inline(iter, folio, pos, copied); if (srcmap->flags & IOMAP_F_BUFFER_HEAD) { size_t bh_written; diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c index 6f25d4cfea9f..836f082651e5 100644 --- a/fs/iomap/direct-io.c +++ b/fs/iomap/direct-io.c @@ -519,6 +519,9 @@ static int iomap_dio_inline_iter(struct iomap_iter *iomi, struct iomap_dio *dio) loff_t pos = iomi->pos; u64 copied; + if (WARN_ON_ONCE(!inline_data)) + return -EIO; + if (WARN_ON_ONCE(!iomap_inline_data_valid(iomap))) return -EIO; |