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| author |   Darrick J. Wong <darrick.wong@oracle.com> | 2020-01-13 16:33:46 -0800 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2020-01-16 08:07:24 -0800 |
| commit | 8a6453a89dc10269adb1fc0cd0ceba928d557c21 (patch) | |
| tree | 9436eaf0077cc793ca8ebc34405d36633febfdae /fs/xfs/xfs_buf_item.h | |
| parent | xfs: make struct xfs_buf_log_format have a consistent size (diff) | |
| download | linux-dev-8a6453a89dc10269adb1fc0cd0ceba928d557c21.tar.xz linux-dev-8a6453a89dc10269adb1fc0cd0ceba928d557c21.zip | |
xfs: check log iovec size to make sure it's plausibly a buffer log format
When log recovery is processing buffer log items, we should check that
the incoming iovec actually describes a region of memory large enough to
contain the log format and the dirty map.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_buf_item.h')
| -rw-r--r-- | fs/xfs/xfs_buf_item.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h index 4a054b11011a..30114b510332 100644 --- a/fs/xfs/xfs_buf_item.h +++ b/fs/xfs/xfs_buf_item.h @@ -61,6 +61,7 @@ void xfs_buf_iodone_callbacks(struct xfs_buf *); void xfs_buf_iodone(struct xfs_buf *, struct xfs_log_item *); bool xfs_buf_resubmit_failed_buffers(struct xfs_buf *, struct list_head *); +bool xfs_buf_log_check_iovec(struct xfs_log_iovec *iovec); extern kmem_zone_t *xfs_buf_item_zone; |