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| author | Bob Peterson <rpeterso@redhat.com> | 2021-01-21 10:10:26 -0500 |
|---|---|---|
| committer | Bob Peterson <rpeterso@redhat.com> | 2021-01-25 08:08:44 -0500 |
| commit | 82218943058d5e3fe692a38b5a549479738dab33 (patch) | |
| tree | b61c5d35b664dc8c89c765cf50192da66b7213e7 /fs/gfs2/lops.h | |
| parent | f5f02fde9f52b2d769c1c2ddfd3d9c4a1fe739a7 (diff) | |
| download | linux-82218943058d5e3fe692a38b5a549479738dab33.tar.gz linux-82218943058d5e3fe692a38b5a549479738dab33.tar.bz2 linux-82218943058d5e3fe692a38b5a549479738dab33.zip | |
gfs2: keep bios separate for each journal
The recovery func can recover multiple journals, but they were all using
the same bio. This resulted in use-after-free related to sdp->sd_log_bio.
This patch moves the variable to the journal descriptor, jd, so that
every recovery can operate on its own bio. And hopefully we never run out.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Diffstat (limited to 'fs/gfs2/lops.h')
| -rw-r--r-- | fs/gfs2/lops.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/gfs2/lops.h b/fs/gfs2/lops.h index 2280f68862de..9a85b9d7ad60 100644 --- a/fs/gfs2/lops.h +++ b/fs/gfs2/lops.h @@ -20,8 +20,9 @@ extern const struct gfs2_log_operations *gfs2_log_ops[]; extern void gfs2_log_incr_head(struct gfs2_sbd *sdp); extern u64 gfs2_log_bmap(struct gfs2_jdesc *jd, unsigned int lbn); -extern void gfs2_log_write(struct gfs2_sbd *sdp, struct page *page, - unsigned size, unsigned offset, u64 blkno); +extern void gfs2_log_write(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd, + struct page *page, unsigned size, unsigned offset, + u64 blkno); extern void gfs2_log_submit_bio(struct bio **biop, int opf); extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh); extern int gfs2_find_jhead(struct gfs2_jdesc *jd, |