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xfs: warn about LARP once per mount

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Since LARP is an experimental debug-only feature, we should try to warn
about it being in use once per mount, not once per reboot.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Darrick J. Wong 2022-05-27 10:32:07 +10:00 committed by Dave Chinner
parent df5660cf63
commit 202865cc21
2 changed files with 6 additions and 3 deletions
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4
fs/xfs/xfs_log.c
View File

@ -3910,8 +3910,8 @@ xfs_attr_use_log_assist(
if (error)
goto drop_incompat;
xfs_warn_once(mp,
"EXPERIMENTAL logged extended attributes feature added. Use at your own risk!");
xfs_warn_mount(mp, XFS_OPSTATE_WARNED_LARP,
"EXPERIMENTAL logged extended attributes feature in use. Use at your own risk!");
return 0;
drop_incompat:

5
fs/xfs/xfs_mount.h
View File

@ -395,6 +395,8 @@ __XFS_HAS_FEAT(nouuid, NOUUID)
#define XFS_OPSTATE_WARNED_SCRUB 7
/* Kernel has logged a warning about shrink being used on this fs. */
#define XFS_OPSTATE_WARNED_SHRINK 8
/* Kernel has logged a warning about logged xattr updates being used. */
#define XFS_OPSTATE_WARNED_LARP 9
#define __XFS_IS_OPSTATE(name, NAME) \
static inline bool xfs_is_ ## name (struct xfs_mount *mp) \
@ -433,7 +435,8 @@ xfs_should_warn(struct xfs_mount *mp, long nr)
{ (1UL << XFS_OPSTATE_INODEGC_ENABLED), "inodegc" }, \
{ (1UL << XFS_OPSTATE_BLOCKGC_ENABLED), "blockgc" }, \
{ (1UL << XFS_OPSTATE_WARNED_SCRUB), "wscrub" }, \
{ (1UL << XFS_OPSTATE_WARNED_SHRINK), "wshrink" }
{ (1UL << XFS_OPSTATE_WARNED_SHRINK), "wshrink" }, \
{ (1UL << XFS_OPSTATE_WARNED_LARP), "wlarp" }
/*
* Max and min values for mount-option defined I/O