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authorDarrick J. Wong <darrick.wong@oracle.com>2018-01-09 12:02:55 -0800
committerDarrick J. Wong <darrick.wong@oracle.com>2018-01-12 14:09:08 -0800
commitc96900435fa9fdfd9702a60cd765bd85e380303e (patch)
treebbda292a21a12d0e37644506400a65b5acdb5c81 /fs/xfs/xfs_qm.c
parentaff68a5502d24be416e256478448e228f1a88aaf (diff)
downloadlinux-c96900435fa9fdfd9702a60cd765bd85e380303e.tar.bz2
xfs: use %px for data pointers when debugging
Starting with commit 57e734423ad ("vsprintf: refactor %pK code out of pointer"), the behavior of the raw '%p' printk format specifier was changed to print a 32-bit hash of the pointer value to avoid leaking kernel pointers into dmesg. For most situations that's good. This is /undesirable/ behavior when we're trying to debug XFS, however, so define a PTR_FMT that prints the actual pointer when we're in debug mode. Note that %p for tracepoints still prints the raw pointer, so in the long run we could consider rewriting some of these messages as tracepoints. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_qm.c')
-rw-r--r--fs/xfs/xfs_qm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 6b9f44df7918..5b848f4b637f 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -162,7 +162,7 @@ xfs_qm_dqpurge(
*/
error = xfs_qm_dqflush(dqp, &bp);
if (error) {
- xfs_warn(mp, "%s: dquot %p flush failed",
+ xfs_warn(mp, "%s: dquot "PTR_FMT" flush failed",
__func__, dqp);
} else {
error = xfs_bwrite(bp);
@@ -480,7 +480,7 @@ xfs_qm_dquot_isolate(
error = xfs_qm_dqflush(dqp, &bp);
if (error) {
- xfs_warn(dqp->q_mount, "%s: dquot %p flush failed",
+ xfs_warn(dqp->q_mount, "%s: dquot "PTR_FMT" flush failed",
__func__, dqp);
goto out_unlock_dirty;
}