* [PATCH RFC 0/2] Reduce size of stack frame in svc_export_parse()
@ 2023-10-01 17:25 Chuck Lever
2023-10-01 17:25 ` [PATCH RFC 1/2] NFSD: Rewrite synopsis of nfsd_percpu_counters_init() Chuck Lever
2023-10-01 17:25 ` [PATCH RFC 2/2] NFSD: Fix frame size warning in svc_export_parse() Chuck Lever
0 siblings, 2 replies; 5+ messages in thread
From: Chuck Lever @ 2023-10-01 17:25 UTC (permalink / raw)
To: linux-nfs; +Cc: Chuck Lever, kernel test robot, Amir Goldstein
Here's a possible way to address a recent 0-day report.
Compile-tested only.
---
Chuck Lever (2):
NFSD: Rewrite synopsis of nfsd_percpu_counters_init()
NFSD: Fix frame size warning in svc_export_parse()
fs/nfsd/export.c | 30 +++++++++++++++++++++---------
fs/nfsd/export.h | 4 ++--
fs/nfsd/stats.c | 2 +-
fs/nfsd/stats.h | 18 +++++++++---------
4 files changed, 33 insertions(+), 21 deletions(-)
--
Chuck Lever
^ permalink raw reply [flat|nested] 5+ messages in thread* [PATCH RFC 1/2] NFSD: Rewrite synopsis of nfsd_percpu_counters_init() 2023-10-01 17:25 [PATCH RFC 0/2] Reduce size of stack frame in svc_export_parse() Chuck Lever @ 2023-10-01 17:25 ` Chuck Lever 2023-10-02 13:42 ` Jeff Layton 2023-10-01 17:25 ` [PATCH RFC 2/2] NFSD: Fix frame size warning in svc_export_parse() Chuck Lever 1 sibling, 1 reply; 5+ messages in thread From: Chuck Lever @ 2023-10-01 17:25 UTC (permalink / raw) To: linux-nfs; +Cc: Amir Goldstein, Chuck Lever From: Chuck Lever <chuck.lever@oracle.com> In function ‘export_stats_init’, inlined from ‘svc_export_alloc’ at /home/cel/src/linux/server-development/fs/nfsd/export.c:866:6: /home/cel/src/linux/server-development/fs/nfsd/export.c:337:16: warning: ‘nfsd_percpu_counters_init’ accessing 40 bytes in a region of size 0 [-Wstringop-overflow=] 337 | return nfsd_percpu_counters_init(&stats->counter, EXP_STATS_COUNTERS_NUM); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/cel/src/linux/server-development/fs/nfsd/export.c:337:16: note: referencing argument 1 of type ‘struct percpu_counter[0]’ /home/cel/src/linux/server-development/fs/nfsd/stats.h: In function ‘svc_export_alloc’: /home/cel/src/linux/server-development/fs/nfsd/stats.h:40:5: note: in a call to function ‘nfsd_percpu_counters_init’ 40 | int nfsd_percpu_counters_init(struct percpu_counter counters[], int num); | ^~~~~~~~~~~~~~~~~~~~~~~~~ Cc: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> --- fs/nfsd/stats.c | 2 +- fs/nfsd/stats.h | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c index 63797635e1c3..12c299a05433 100644 --- a/fs/nfsd/stats.c +++ b/fs/nfsd/stats.c @@ -76,7 +76,7 @@ static int nfsd_show(struct seq_file *seq, void *v) DEFINE_PROC_SHOW_ATTRIBUTE(nfsd); -int nfsd_percpu_counters_init(struct percpu_counter counters[], int num) +int nfsd_percpu_counters_init(struct percpu_counter *counters, int num) { int i, err = 0; diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h index cf5524e7ca06..a3e9e2f47ec4 100644 --- a/fs/nfsd/stats.h +++ b/fs/nfsd/stats.h @@ -37,9 +37,9 @@ extern struct nfsd_stats nfsdstats; extern struct svc_stat nfsd_svcstats; -int nfsd_percpu_counters_init(struct percpu_counter counters[], int num); -void nfsd_percpu_counters_reset(struct percpu_counter counters[], int num); -void nfsd_percpu_counters_destroy(struct percpu_counter counters[], int num); +int nfsd_percpu_counters_init(struct percpu_counter *counters, int num); +void nfsd_percpu_counters_reset(struct percpu_counter *counters, int num); +void nfsd_percpu_counters_destroy(struct percpu_counter *counters, int num); int nfsd_stat_init(void); void nfsd_stat_shutdown(void); ^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH RFC 1/2] NFSD: Rewrite synopsis of nfsd_percpu_counters_init() 2023-10-01 17:25 ` [PATCH RFC 1/2] NFSD: Rewrite synopsis of nfsd_percpu_counters_init() Chuck Lever @ 2023-10-02 13:42 ` Jeff Layton 0 siblings, 0 replies; 5+ messages in thread From: Jeff Layton @ 2023-10-02 13:42 UTC (permalink / raw) To: Chuck Lever, linux-nfs; +Cc: Amir Goldstein, Chuck Lever On Sun, 2023-10-01 at 13:25 -0400, Chuck Lever wrote: > From: Chuck Lever <chuck.lever@oracle.com> > > In function ‘export_stats_init’, > inlined from ‘svc_export_alloc’ at /home/cel/src/linux/server-development/fs/nfsd/export.c:866:6: > /home/cel/src/linux/server-development/fs/nfsd/export.c:337:16: warning: ‘nfsd_percpu_counters_init’ accessing 40 bytes in a region of size 0 [-Wstringop-overflow=] > 337 | return nfsd_percpu_counters_init(&stats->counter, EXP_STATS_COUNTERS_NUM); > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > /home/cel/src/linux/server-development/fs/nfsd/export.c:337:16: note: referencing argument 1 of type ‘struct percpu_counter[0]’ > /home/cel/src/linux/server-development/fs/nfsd/stats.h: In function ‘svc_export_alloc’: > /home/cel/src/linux/server-development/fs/nfsd/stats.h:40:5: note: in a call to function ‘nfsd_percpu_counters_init’ > 40 | int nfsd_percpu_counters_init(struct percpu_counter counters[], int num); > | ^~~~~~~~~~~~~~~~~~~~~~~~~ > > Cc: Amir Goldstein <amir73il@gmail.com> > Signed-off-by: Chuck Lever <chuck.lever@oracle.com> > --- > fs/nfsd/stats.c | 2 +- > fs/nfsd/stats.h | 6 +++--- > 2 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c > index 63797635e1c3..12c299a05433 100644 > --- a/fs/nfsd/stats.c > +++ b/fs/nfsd/stats.c > @@ -76,7 +76,7 @@ static int nfsd_show(struct seq_file *seq, void *v) > > DEFINE_PROC_SHOW_ATTRIBUTE(nfsd); > > -int nfsd_percpu_counters_init(struct percpu_counter counters[], int num) > +int nfsd_percpu_counters_init(struct percpu_counter *counters, int num) > { > int i, err = 0; > > diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h > index cf5524e7ca06..a3e9e2f47ec4 100644 > --- a/fs/nfsd/stats.h > +++ b/fs/nfsd/stats.h > @@ -37,9 +37,9 @@ extern struct nfsd_stats nfsdstats; > > extern struct svc_stat nfsd_svcstats; > > -int nfsd_percpu_counters_init(struct percpu_counter counters[], int num); > -void nfsd_percpu_counters_reset(struct percpu_counter counters[], int num); > -void nfsd_percpu_counters_destroy(struct percpu_counter counters[], int num); > +int nfsd_percpu_counters_init(struct percpu_counter *counters, int num); > +void nfsd_percpu_counters_reset(struct percpu_counter *counters, int num); > +void nfsd_percpu_counters_destroy(struct percpu_counter *counters, int num); > int nfsd_stat_init(void); > void nfsd_stat_shutdown(void); > > > Reviewed-by: Jeff Layton <jlayton@kernel.org> ^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH RFC 2/2] NFSD: Fix frame size warning in svc_export_parse() 2023-10-01 17:25 [PATCH RFC 0/2] Reduce size of stack frame in svc_export_parse() Chuck Lever 2023-10-01 17:25 ` [PATCH RFC 1/2] NFSD: Rewrite synopsis of nfsd_percpu_counters_init() Chuck Lever @ 2023-10-01 17:25 ` Chuck Lever 2023-10-02 13:49 ` Jeff Layton 1 sibling, 1 reply; 5+ messages in thread From: Chuck Lever @ 2023-10-01 17:25 UTC (permalink / raw) To: linux-nfs; +Cc: kernel test robot, Amir Goldstein, Chuck Lever From: Chuck Lever <chuck.lever@oracle.com> fs/nfsd/export.c: In function 'svc_export_parse': fs/nfsd/export.c:737:1: warning: the frame size of 1040 bytes is larger than 1024 bytes [-Wframe-larger-than=] 737 | } On my systems, svc_export_parse() has a stack frame of over 800 bytes, not 1040, but nonetheless, it could do with some reduction. When a struct svc_export is on the stack, it's a temporary structure used as an argument, and not visible as an actual exported FS. No need to reserve space for export_stats in such cases. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202310012359.YEw5IrK6-lkp@intel.com/ Cc: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> --- fs/nfsd/export.c | 30 +++++++++++++++++++++--------- fs/nfsd/export.h | 4 ++-- fs/nfsd/stats.h | 12 ++++++------ 3 files changed, 29 insertions(+), 17 deletions(-) diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index 11a0eaa2f914..7cf26bfe199d 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -339,12 +339,16 @@ static int export_stats_init(struct export_stats *stats) static void export_stats_reset(struct export_stats *stats) { - nfsd_percpu_counters_reset(stats->counter, EXP_STATS_COUNTERS_NUM); + if (stats) + nfsd_percpu_counters_reset(stats->counter, + EXP_STATS_COUNTERS_NUM); } static void export_stats_destroy(struct export_stats *stats) { - nfsd_percpu_counters_destroy(stats->counter, EXP_STATS_COUNTERS_NUM); + if (stats) + nfsd_percpu_counters_destroy(stats->counter, + EXP_STATS_COUNTERS_NUM); } static void svc_export_put(struct kref *ref) @@ -353,7 +357,8 @@ static void svc_export_put(struct kref *ref) path_put(&exp->ex_path); auth_domain_put(exp->ex_client); nfsd4_fslocs_free(&exp->ex_fslocs); - export_stats_destroy(&exp->ex_stats); + export_stats_destroy(exp->ex_stats); + kfree(exp->ex_stats); kfree(exp->ex_uuid); kfree_rcu(exp, ex_rcu); } @@ -767,13 +772,13 @@ static int svc_export_show(struct seq_file *m, seq_putc(m, '\t'); seq_escape(m, exp->ex_client->name, " \t\n\\"); if (export_stats) { - seq_printf(m, "\t%lld\n", exp->ex_stats.start_time); + seq_printf(m, "\t%lld\n", exp->ex_stats->start_time); seq_printf(m, "\tfh_stale: %lld\n", - percpu_counter_sum_positive(&exp->ex_stats.counter[EXP_STATS_FH_STALE])); + percpu_counter_sum_positive(&exp->ex_stats->counter[EXP_STATS_FH_STALE])); seq_printf(m, "\tio_read: %lld\n", - percpu_counter_sum_positive(&exp->ex_stats.counter[EXP_STATS_IO_READ])); + percpu_counter_sum_positive(&exp->ex_stats->counter[EXP_STATS_IO_READ])); seq_printf(m, "\tio_write: %lld\n", - percpu_counter_sum_positive(&exp->ex_stats.counter[EXP_STATS_IO_WRITE])); + percpu_counter_sum_positive(&exp->ex_stats->counter[EXP_STATS_IO_WRITE])); seq_putc(m, '\n'); return 0; } @@ -819,7 +824,7 @@ static void svc_export_init(struct cache_head *cnew, struct cache_head *citem) new->ex_layout_types = 0; new->ex_uuid = NULL; new->cd = item->cd; - export_stats_reset(&new->ex_stats); + export_stats_reset(new->ex_stats); } static void export_update(struct cache_head *cnew, struct cache_head *citem) @@ -856,7 +861,14 @@ static struct cache_head *svc_export_alloc(void) if (!i) return NULL; - if (export_stats_init(&i->ex_stats)) { + i->ex_stats = kmalloc(sizeof(i->ex_stats), GFP_KERNEL); + if (!i->ex_stats) { + kfree(i); + return NULL; + } + + if (export_stats_init(i->ex_stats)) { + kfree(i->ex_stats); kfree(i); return NULL; } diff --git a/fs/nfsd/export.h b/fs/nfsd/export.h index 2df8ae25aad3..ca9dc230ae3d 100644 --- a/fs/nfsd/export.h +++ b/fs/nfsd/export.h @@ -64,10 +64,10 @@ struct svc_export { struct cache_head h; struct auth_domain * ex_client; int ex_flags; + int ex_fsid; struct path ex_path; kuid_t ex_anon_uid; kgid_t ex_anon_gid; - int ex_fsid; unsigned char * ex_uuid; /* 16 byte fsid */ struct nfsd4_fs_locations ex_fslocs; uint32_t ex_nflavors; @@ -76,8 +76,8 @@ struct svc_export { struct nfsd4_deviceid_map *ex_devid_map; struct cache_detail *cd; struct rcu_head ex_rcu; - struct export_stats ex_stats; unsigned long ex_xprtsec_modes; + struct export_stats *ex_stats; }; /* an "export key" (expkey) maps a filehandlefragement to an diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h index a3e9e2f47ec4..14f50c660b61 100644 --- a/fs/nfsd/stats.h +++ b/fs/nfsd/stats.h @@ -61,22 +61,22 @@ static inline void nfsd_stats_rc_nocache_inc(void) static inline void nfsd_stats_fh_stale_inc(struct svc_export *exp) { percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_FH_STALE]); - if (exp) - percpu_counter_inc(&exp->ex_stats.counter[EXP_STATS_FH_STALE]); + if (exp && exp->ex_stats) + percpu_counter_inc(&exp->ex_stats->counter[EXP_STATS_FH_STALE]); } static inline void nfsd_stats_io_read_add(struct svc_export *exp, s64 amount) { percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_READ], amount); - if (exp) - percpu_counter_add(&exp->ex_stats.counter[EXP_STATS_IO_READ], amount); + if (exp && exp->ex_stats) + percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_READ], amount); } static inline void nfsd_stats_io_write_add(struct svc_export *exp, s64 amount) { percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_WRITE], amount); - if (exp) - percpu_counter_add(&exp->ex_stats.counter[EXP_STATS_IO_WRITE], amount); + if (exp && exp->ex_stats) + percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_WRITE], amount); } static inline void nfsd_stats_payload_misses_inc(struct nfsd_net *nn) ^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH RFC 2/2] NFSD: Fix frame size warning in svc_export_parse() 2023-10-01 17:25 ` [PATCH RFC 2/2] NFSD: Fix frame size warning in svc_export_parse() Chuck Lever @ 2023-10-02 13:49 ` Jeff Layton 0 siblings, 0 replies; 5+ messages in thread From: Jeff Layton @ 2023-10-02 13:49 UTC (permalink / raw) To: Chuck Lever, linux-nfs; +Cc: kernel test robot, Amir Goldstein, Chuck Lever On Sun, 2023-10-01 at 13:25 -0400, Chuck Lever wrote: > From: Chuck Lever <chuck.lever@oracle.com> > > fs/nfsd/export.c: In function 'svc_export_parse': > fs/nfsd/export.c:737:1: warning: the frame size of 1040 bytes is larger than 1024 bytes [-Wframe-larger-than=] > 737 | } > > On my systems, svc_export_parse() has a stack frame of over 800 > bytes, not 1040, but nonetheless, it could do with some reduction. > > When a struct svc_export is on the stack, it's a temporary structure > used as an argument, and not visible as an actual exported FS. No > need to reserve space for export_stats in such cases. > > Reported-by: kernel test robot <lkp@intel.com> > Closes: https://lore.kernel.org/oe-kbuild-all/202310012359.YEw5IrK6-lkp@intel.com/ > Cc: Amir Goldstein <amir73il@gmail.com> > Signed-off-by: Chuck Lever <chuck.lever@oracle.com> > --- > fs/nfsd/export.c | 30 +++++++++++++++++++++--------- > fs/nfsd/export.h | 4 ++-- > fs/nfsd/stats.h | 12 ++++++------ > 3 files changed, 29 insertions(+), 17 deletions(-) > > diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c > index 11a0eaa2f914..7cf26bfe199d 100644 > --- a/fs/nfsd/export.c > +++ b/fs/nfsd/export.c > @@ -339,12 +339,16 @@ static int export_stats_init(struct export_stats *stats) > > static void export_stats_reset(struct export_stats *stats) > { > - nfsd_percpu_counters_reset(stats->counter, EXP_STATS_COUNTERS_NUM); > + if (stats) > + nfsd_percpu_counters_reset(stats->counter, > + EXP_STATS_COUNTERS_NUM); > } > > static void export_stats_destroy(struct export_stats *stats) > { > - nfsd_percpu_counters_destroy(stats->counter, EXP_STATS_COUNTERS_NUM); > + if (stats) > + nfsd_percpu_counters_destroy(stats->counter, > + EXP_STATS_COUNTERS_NUM); > } > > static void svc_export_put(struct kref *ref) > @@ -353,7 +357,8 @@ static void svc_export_put(struct kref *ref) > path_put(&exp->ex_path); > auth_domain_put(exp->ex_client); > nfsd4_fslocs_free(&exp->ex_fslocs); > - export_stats_destroy(&exp->ex_stats); > + export_stats_destroy(exp->ex_stats); > + kfree(exp->ex_stats); > kfree(exp->ex_uuid); > kfree_rcu(exp, ex_rcu); > } > @@ -767,13 +772,13 @@ static int svc_export_show(struct seq_file *m, > seq_putc(m, '\t'); > seq_escape(m, exp->ex_client->name, " \t\n\\"); > if (export_stats) { > - seq_printf(m, "\t%lld\n", exp->ex_stats.start_time); > + seq_printf(m, "\t%lld\n", exp->ex_stats->start_time); > seq_printf(m, "\tfh_stale: %lld\n", > - percpu_counter_sum_positive(&exp->ex_stats.counter[EXP_STATS_FH_STALE])); > + percpu_counter_sum_positive(&exp->ex_stats->counter[EXP_STATS_FH_STALE])); > seq_printf(m, "\tio_read: %lld\n", > - percpu_counter_sum_positive(&exp->ex_stats.counter[EXP_STATS_IO_READ])); > + percpu_counter_sum_positive(&exp->ex_stats->counter[EXP_STATS_IO_READ])); > seq_printf(m, "\tio_write: %lld\n", > - percpu_counter_sum_positive(&exp->ex_stats.counter[EXP_STATS_IO_WRITE])); > + percpu_counter_sum_positive(&exp->ex_stats->counter[EXP_STATS_IO_WRITE])); > seq_putc(m, '\n'); > return 0; > } > @@ -819,7 +824,7 @@ static void svc_export_init(struct cache_head *cnew, struct cache_head *citem) > new->ex_layout_types = 0; > new->ex_uuid = NULL; > new->cd = item->cd; > - export_stats_reset(&new->ex_stats); > + export_stats_reset(new->ex_stats); > } > > static void export_update(struct cache_head *cnew, struct cache_head *citem) > @@ -856,7 +861,14 @@ static struct cache_head *svc_export_alloc(void) > if (!i) > return NULL; > > - if (export_stats_init(&i->ex_stats)) { > + i->ex_stats = kmalloc(sizeof(i->ex_stats), GFP_KERNEL); > + if (!i->ex_stats) { > + kfree(i); > + return NULL; > + } > + > + if (export_stats_init(i->ex_stats)) { > + kfree(i->ex_stats); > kfree(i); > return NULL; > } > diff --git a/fs/nfsd/export.h b/fs/nfsd/export.h > index 2df8ae25aad3..ca9dc230ae3d 100644 > --- a/fs/nfsd/export.h > +++ b/fs/nfsd/export.h > @@ -64,10 +64,10 @@ struct svc_export { > struct cache_head h; > struct auth_domain * ex_client; > int ex_flags; > + int ex_fsid; > struct path ex_path; > kuid_t ex_anon_uid; > kgid_t ex_anon_gid; > - int ex_fsid; > unsigned char * ex_uuid; /* 16 byte fsid */ > struct nfsd4_fs_locations ex_fslocs; > uint32_t ex_nflavors; > @@ -76,8 +76,8 @@ struct svc_export { > struct nfsd4_deviceid_map *ex_devid_map; > struct cache_detail *cd; > struct rcu_head ex_rcu; > - struct export_stats ex_stats; > unsigned long ex_xprtsec_modes; > + struct export_stats *ex_stats; > }; > > /* an "export key" (expkey) maps a filehandlefragement to an > diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h > index a3e9e2f47ec4..14f50c660b61 100644 > --- a/fs/nfsd/stats.h > +++ b/fs/nfsd/stats.h > @@ -61,22 +61,22 @@ static inline void nfsd_stats_rc_nocache_inc(void) > static inline void nfsd_stats_fh_stale_inc(struct svc_export *exp) > { > percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_FH_STALE]); > - if (exp) > - percpu_counter_inc(&exp->ex_stats.counter[EXP_STATS_FH_STALE]); > + if (exp && exp->ex_stats) > + percpu_counter_inc(&exp->ex_stats->counter[EXP_STATS_FH_STALE]); > } > > static inline void nfsd_stats_io_read_add(struct svc_export *exp, s64 amount) > { > percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_READ], amount); > - if (exp) > - percpu_counter_add(&exp->ex_stats.counter[EXP_STATS_IO_READ], amount); > + if (exp && exp->ex_stats) > + percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_READ], amount); > } > > static inline void nfsd_stats_io_write_add(struct svc_export *exp, s64 amount) > { > percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_WRITE], amount); > - if (exp) > - percpu_counter_add(&exp->ex_stats.counter[EXP_STATS_IO_WRITE], amount); > + if (exp && exp->ex_stats) > + percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_WRITE], amount); > } > > static inline void nfsd_stats_payload_misses_inc(struct nfsd_net *nn) > > Seems reasonable. Reviewed-by: Jeff Layton <jlayton@kernel.org> ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2023-10-02 13:50 UTC | newest] Thread overview: 5+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2023-10-01 17:25 [PATCH RFC 0/2] Reduce size of stack frame in svc_export_parse() Chuck Lever 2023-10-01 17:25 ` [PATCH RFC 1/2] NFSD: Rewrite synopsis of nfsd_percpu_counters_init() Chuck Lever 2023-10-02 13:42 ` Jeff Layton 2023-10-01 17:25 ` [PATCH RFC 2/2] NFSD: Fix frame size warning in svc_export_parse() Chuck Lever 2023-10-02 13:49 ` Jeff Layton
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