diff options
author | Darrick J. Wong <djwong@kernel.org> | 2021-09-01 10:54:13 -0700 |
---|---|---|
committer | Darrick J. Wong <djwong@kernel.org> | 2021-10-22 16:40:43 -0700 |
commit | 6cec6e7a242cf43baa5d6f13224acb506dd9f847 (patch) | |
tree | ea0e224470c819a1d5717133a129fe5a46694dce /fs | |
parent | 796310607977817eaa59ba309f67e2fe01d78180 (diff) |
xfs: add error injection to test swapext recovery
Add an errortag so that we can test recovery of swapext log items.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/xfs/libxfs/xfs_errortag.h | 4 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_swapext.c | 5 | ||||
-rw-r--r-- | fs/xfs/xfs_error.c | 3 |
3 files changed, 11 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_errortag.h b/fs/xfs/libxfs/xfs_errortag.h index a23a52e643ad..f5fa2151e05d 100644 --- a/fs/xfs/libxfs/xfs_errortag.h +++ b/fs/xfs/libxfs/xfs_errortag.h @@ -59,7 +59,8 @@ #define XFS_ERRTAG_REDUCE_MAX_IEXTENTS 36 #define XFS_ERRTAG_BMAP_ALLOC_MINLEN_EXTENT 37 #define XFS_ERRTAG_AG_RESV_FAIL 38 -#define XFS_ERRTAG_MAX 39 +#define XFS_ERRTAG_SWAPEXT_FINISH_ONE 39 +#define XFS_ERRTAG_MAX 40 /* * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. @@ -103,5 +104,6 @@ #define XFS_RANDOM_REDUCE_MAX_IEXTENTS 1 #define XFS_RANDOM_BMAP_ALLOC_MINLEN_EXTENT 1 #define XFS_RANDOM_AG_RESV_FAIL 1 +#define XFS_RANDOM_SWAPEXT_FINISH_ONE 1 #endif /* __XFS_ERRORTAG_H_ */ diff --git a/fs/xfs/libxfs/xfs_swapext.c b/fs/xfs/libxfs/xfs_swapext.c index 791917003b11..db325fa2eac3 100644 --- a/fs/xfs/libxfs/xfs_swapext.c +++ b/fs/xfs/libxfs/xfs_swapext.c @@ -20,6 +20,8 @@ #include "xfs_trace.h" #include "xfs_bmap_btree.h" #include "xfs_trans_space.h" +#include "xfs_errortag.h" +#include "xfs_error.h" /* bmbt mappings adjacent to a pair of records. */ struct xfs_swapext_adjacent { @@ -451,6 +453,9 @@ xfs_swapext_finish_one( xfs_trans_log_inode(tp, sxi->sxi_ip2, XFS_ILOG_CORE); } + if (XFS_TEST_ERROR(false, tp->t_mountp, XFS_ERRTAG_SWAPEXT_FINISH_ONE)) + return -EIO; + /* If we still have work to do, ask for a new transaction. */ if (sxi_has_more_swap_work(sxi)) { trace_xfs_swapext_defer(tp->t_mountp, sxi); diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c index 81c445e9489b..cd17682869e3 100644 --- a/fs/xfs/xfs_error.c +++ b/fs/xfs/xfs_error.c @@ -57,6 +57,7 @@ static unsigned int xfs_errortag_random_default[] = { XFS_RANDOM_REDUCE_MAX_IEXTENTS, XFS_RANDOM_BMAP_ALLOC_MINLEN_EXTENT, XFS_RANDOM_AG_RESV_FAIL, + XFS_RANDOM_SWAPEXT_FINISH_ONE, }; struct xfs_errortag_attr { @@ -170,6 +171,7 @@ XFS_ERRORTAG_ATTR_RW(buf_ioerror, XFS_ERRTAG_BUF_IOERROR); XFS_ERRORTAG_ATTR_RW(reduce_max_iextents, XFS_ERRTAG_REDUCE_MAX_IEXTENTS); XFS_ERRORTAG_ATTR_RW(bmap_alloc_minlen_extent, XFS_ERRTAG_BMAP_ALLOC_MINLEN_EXTENT); XFS_ERRORTAG_ATTR_RW(ag_resv_fail, XFS_ERRTAG_AG_RESV_FAIL); +XFS_ERRORTAG_ATTR_RW(swapext_finish_one, XFS_RANDOM_SWAPEXT_FINISH_ONE); static struct attribute *xfs_errortag_attrs[] = { XFS_ERRORTAG_ATTR_LIST(noerror), @@ -211,6 +213,7 @@ static struct attribute *xfs_errortag_attrs[] = { XFS_ERRORTAG_ATTR_LIST(reduce_max_iextents), XFS_ERRORTAG_ATTR_LIST(bmap_alloc_minlen_extent), XFS_ERRORTAG_ATTR_LIST(ag_resv_fail), + XFS_ERRORTAG_ATTR_LIST(swapext_finish_one), NULL, }; |