xfs: trace log reservations at mount time

Source kernel commit: b872af2c8700e9d64af8e13811b7679ede26ca00

At each mount, emit the transaction reservation type information via
tracepoints.  This makes it easier to compare the log reservation info
calculated by the kernel and xfsprogs so that we can more easily diagnose
minimum log size failures on freshly formatted filesystems.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>

diff --git a/libxfs/xfs_log_rlimit.c b/libxfs/xfs_log_rlimit.c
index 9264afa92d1e47d4c365d108946de8e931b1b421..be1e9895300b815dfb28de4406df7dbce85a21d5 100644 (file)
--- a/libxfs/xfs_log_rlimit.c
+++ b/libxfs/xfs_log_rlimit.c
@@ -55,7 +55,7 @@ xfs_log_calc_max_attrsetm_res(
  * the maximum one in terms of the pre-calculated values which were done
  * at mount time.
  */
-STATIC void
+void
 xfs_log_get_max_trans_res(
        struct xfs_mount        *mp,
        struct xfs_trans_res    *max_resp)

diff --git a/libxfs/xfs_shared.h b/libxfs/xfs_shared.h
index 67ccb1ab4d7ededcc3a15d9c350592afe20fde0a..d0b84da0cb1ecdb2a19c832e29e92128afcc35a1 100644 (file)
--- a/libxfs/xfs_shared.h
+++ b/libxfs/xfs_shared.h
@@ -76,6 +76,9 @@ struct xfs_log_item_desc {
 int    xfs_log_calc_unit_res(struct xfs_mount *mp, int unit_bytes);
 int    xfs_log_calc_minimum_size(struct xfs_mount *);
 
+struct xfs_trans_res;
+void   xfs_log_get_max_trans_res(struct xfs_mount *mp,
+                                 struct xfs_trans_res *max_resp);
 
 /*
  * Values for t_flags.