From: Darrick J. Wong <djwong@xxxxxxxxxx> Add an errortag so that we can test recovery of exchmaps log items. Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> --- fs/xfs/libxfs/xfs_errortag.h | 4 +++- fs/xfs/libxfs/xfs_exchmaps.c | 3 +++ fs/xfs/xfs_error.c | 3 +++ 3 files changed, 9 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_errortag.h b/fs/xfs/libxfs/xfs_errortag.h index 01a9e86b30379..7002d7676a788 100644 --- a/fs/xfs/libxfs/xfs_errortag.h +++ b/fs/xfs/libxfs/xfs_errortag.h @@ -63,7 +63,8 @@ #define XFS_ERRTAG_ATTR_LEAF_TO_NODE 41 #define XFS_ERRTAG_WB_DELAY_MS 42 #define XFS_ERRTAG_WRITE_DELAY_MS 43 -#define XFS_ERRTAG_MAX 44 +#define XFS_ERRTAG_EXCHMAPS_FINISH_ONE 44 +#define XFS_ERRTAG_MAX 45 /* * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. @@ -111,5 +112,6 @@ #define XFS_RANDOM_ATTR_LEAF_TO_NODE 1 #define XFS_RANDOM_WB_DELAY_MS 3000 #define XFS_RANDOM_WRITE_DELAY_MS 3000 +#define XFS_RANDOM_EXCHMAPS_FINISH_ONE 1 #endif /* __XFS_ERRORTAG_H_ */ diff --git a/fs/xfs/libxfs/xfs_exchmaps.c b/fs/xfs/libxfs/xfs_exchmaps.c index eddb0972e344e..228eb15fce212 100644 --- a/fs/xfs/libxfs/xfs_exchmaps.c +++ b/fs/xfs/libxfs/xfs_exchmaps.c @@ -437,6 +437,9 @@ xfs_exchmaps_finish_one( return error; } + if (XFS_TEST_ERROR(false, tp->t_mountp, XFS_ERRTAG_EXCHMAPS_FINISH_ONE)) + return -EIO; + /* If we still have work to do, ask for a new transaction. */ if (xmi_has_more_exchange_work(xmi) || xmi_has_postop_work(xmi)) { trace_xfs_exchmaps_defer(tp->t_mountp, xmi); diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c index b2cbbba3e15a5..b23e22222f804 100644 --- a/fs/xfs/xfs_error.c +++ b/fs/xfs/xfs_error.c @@ -62,6 +62,7 @@ static unsigned int xfs_errortag_random_default[] = { XFS_RANDOM_ATTR_LEAF_TO_NODE, XFS_RANDOM_WB_DELAY_MS, XFS_RANDOM_WRITE_DELAY_MS, + XFS_RANDOM_EXCHMAPS_FINISH_ONE, }; struct xfs_errortag_attr { @@ -179,6 +180,7 @@ XFS_ERRORTAG_ATTR_RW(da_leaf_split, XFS_ERRTAG_DA_LEAF_SPLIT); XFS_ERRORTAG_ATTR_RW(attr_leaf_to_node, XFS_ERRTAG_ATTR_LEAF_TO_NODE); XFS_ERRORTAG_ATTR_RW(wb_delay_ms, XFS_ERRTAG_WB_DELAY_MS); XFS_ERRORTAG_ATTR_RW(write_delay_ms, XFS_ERRTAG_WRITE_DELAY_MS); +XFS_ERRORTAG_ATTR_RW(exchmaps_finish_one, XFS_ERRTAG_EXCHMAPS_FINISH_ONE); static struct attribute *xfs_errortag_attrs[] = { XFS_ERRORTAG_ATTR_LIST(noerror), @@ -224,6 +226,7 @@ static struct attribute *xfs_errortag_attrs[] = { XFS_ERRORTAG_ATTR_LIST(attr_leaf_to_node), XFS_ERRORTAG_ATTR_LIST(wb_delay_ms), XFS_ERRORTAG_ATTR_LIST(write_delay_ms), + XFS_ERRORTAG_ATTR_LIST(exchmaps_finish_one), NULL, }; ATTRIBUTE_GROUPS(xfs_errortag);