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xfs: trace log reservations at mount time

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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>
This commit is contained in:
Darrick J. Wong
2018-01-08 10:51:26 -08:00
parent 9c712a1346
commit b872af2c87
4 changed files with 52 additions and 1 deletions
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2
fs/xfs/libxfs/xfs_log_rlimit.c
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@@ -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)

3
fs/xfs/libxfs/xfs_shared.h
View File

@@ -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.