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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-06 17:57:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-06 17:57:50 -0700 |
| commit | 4c86114194e644b6da9107d75910635c9e87179e (patch) | |
| tree | 96bd1d0e6b63dc4770d8816ba80ebb748a6ee4ac | |
| parent | bc32a6330fb0e90d1ce813c720d50098a41ec2e6 (diff) | |
| parent | adc9c2e5a723052de4f5bd7e3d6add050ba400e1 (diff) | |
| download | staging-4c86114194e644b6da9107d75910635c9e87179e.tar.gz | |
Merge tag 'iomap-6.1-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap updates from Darrick Wong:
"It's pretty quiet this time around -- a UAF bugfix and a new
tracepoint so we can watch file writeback:
- Fix a UAF bug when recording writeback mapping errors
- Add a tracepoint so that we can monitor writeback mappings"
* tag 'iomap-6.1-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: add a tracepoint for mappings returned by map_blocks
iomap: iomap: fix memory corruption when recording errors during writeback
| -rw-r--r-- | fs/iomap/buffered-io.c | 3 | ||||
| -rw-r--r-- | fs/iomap/trace.h | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index ca5c62901541e4..91ee0b308e13d3 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -1360,6 +1360,7 @@ iomap_writepage_map(struct iomap_writepage_ctx *wpc, error = wpc->ops->map_blocks(wpc, inode, pos); if (error) break; + trace_iomap_writepage_map(inode, &wpc->iomap); if (WARN_ON_ONCE(wpc->iomap.type == IOMAP_INLINE)) continue; if (wpc->iomap.type == IOMAP_HOLE) @@ -1421,7 +1422,7 @@ iomap_writepage_map(struct iomap_writepage_ctx *wpc, if (!count) folio_end_writeback(folio); done: - mapping_set_error(folio->mapping, error); + mapping_set_error(inode->i_mapping, error); return error; } diff --git a/fs/iomap/trace.h b/fs/iomap/trace.h index d48868fc40d78f..f6ea9540d082d4 100644 --- a/fs/iomap/trace.h +++ b/fs/iomap/trace.h @@ -148,6 +148,7 @@ DEFINE_EVENT(iomap_class, name, \ TP_ARGS(inode, iomap)) DEFINE_IOMAP_EVENT(iomap_iter_dstmap); DEFINE_IOMAP_EVENT(iomap_iter_srcmap); +DEFINE_IOMAP_EVENT(iomap_writepage_map); TRACE_EVENT(iomap_iter, TP_PROTO(struct iomap_iter *iter, const void *ops, |