diff mbox series

shmem: Properly report quota mount options

Message ID 20240129120131.21145-1-jack@suse.cz (mailing list archive)
State New
Headers show
Series shmem: Properly report quota mount options | expand

Commit Message

Jan Kara Jan. 29, 2024, 12:01 p.m. UTC
Report quota options among the set of mount options. This allows proper
user visibility into whether quotas are enabled or not.

Fixes: e09764cff44b ("shmem: quota support")
Signed-off-by: Jan Kara <jack@suse.cz>
---
 mm/shmem.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

I've noticed this omission when testing quota-tools support for tmpfs...

Comments

Carlos Maiolino Feb. 5, 2024, 11:51 a.m. UTC | #1
On Mon, Jan 29, 2024 at 01:01:31PM +0100, Jan Kara wrote:
> Report quota options among the set of mount options. This allows proper
> user visibility into whether quotas are enabled or not.
> 
> Fixes: e09764cff44b ("shmem: quota support")
> Signed-off-by: Jan Kara <jack@suse.cz>
> ---
>  mm/shmem.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> I've noticed this omission when testing quota-tools support for tmpfs...
> 
> diff --git a/mm/shmem.c b/mm/shmem.c
> index d7c84ff62186..30c9dc862505 100644
> --- a/mm/shmem.c
> +++ b/mm/shmem.c
> @@ -4265,6 +4265,24 @@ static int shmem_show_options(struct seq_file *seq, struct dentry *root)
>  	mpol_put(mpol);
>  	if (sbinfo->noswap)
>  		seq_printf(seq, ",noswap");
> +#ifdef CONFIG_TMPFS_QUOTA
> +	if (sb_has_quota_active(root->d_sb, USRQUOTA))
> +		seq_printf(seq, ",usrquota");
> +	if (sb_has_quota_active(root->d_sb, GRPQUOTA))
> +		seq_printf(seq, ",grpquota");
> +	if (sbinfo->qlimits.usrquota_bhardlimit)
> +		seq_printf(seq, ",usrquota_block_hardlimit=%lld",
> +			   sbinfo->qlimits.usrquota_bhardlimit);
> +	if (sbinfo->qlimits.grpquota_bhardlimit)
> +		seq_printf(seq, ",grpquota_block_hardlimit=%lld",
> +			   sbinfo->qlimits.grpquota_bhardlimit);
> +	if (sbinfo->qlimits.usrquota_ihardlimit)
> +		seq_printf(seq, ",usrquota_inode_hardlimit=%lld",
> +			   sbinfo->qlimits.usrquota_ihardlimit);
> +	if (sbinfo->qlimits.grpquota_ihardlimit)
> +		seq_printf(seq, ",grpquota_inode_hardlimit=%lld",
> +			   sbinfo->qlimits.grpquota_ihardlimit);
> +#endif
>  	return 0;
>a  }

Looks good, thanks Honza.

Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>

> 
> --
> 2.35.3
>
Hugh Dickins Feb. 20, 2024, 4:19 a.m. UTC | #2
On Mon, 5 Feb 2024, Carlos Maiolino wrote:
> On Mon, Jan 29, 2024 at 01:01:31PM +0100, Jan Kara wrote:
> > Report quota options among the set of mount options. This allows proper
> > user visibility into whether quotas are enabled or not.
> > 
> > Fixes: e09764cff44b ("shmem: quota support")
> > Signed-off-by: Jan Kara <jack@suse.cz>
> > ---
> >  mm/shmem.c | 18 ++++++++++++++++++
> >  1 file changed, 18 insertions(+)
> > 
> > I've noticed this omission when testing quota-tools support for tmpfs...
> > 
> > diff --git a/mm/shmem.c b/mm/shmem.c
> > index d7c84ff62186..30c9dc862505 100644
> > --- a/mm/shmem.c
> > +++ b/mm/shmem.c
> > @@ -4265,6 +4265,24 @@ static int shmem_show_options(struct seq_file *seq, struct dentry *root)
> >  	mpol_put(mpol);
> >  	if (sbinfo->noswap)
> >  		seq_printf(seq, ",noswap");
> > +#ifdef CONFIG_TMPFS_QUOTA
> > +	if (sb_has_quota_active(root->d_sb, USRQUOTA))
> > +		seq_printf(seq, ",usrquota");
> > +	if (sb_has_quota_active(root->d_sb, GRPQUOTA))
> > +		seq_printf(seq, ",grpquota");
> > +	if (sbinfo->qlimits.usrquota_bhardlimit)
> > +		seq_printf(seq, ",usrquota_block_hardlimit=%lld",
> > +			   sbinfo->qlimits.usrquota_bhardlimit);
> > +	if (sbinfo->qlimits.grpquota_bhardlimit)
> > +		seq_printf(seq, ",grpquota_block_hardlimit=%lld",
> > +			   sbinfo->qlimits.grpquota_bhardlimit);
> > +	if (sbinfo->qlimits.usrquota_ihardlimit)
> > +		seq_printf(seq, ",usrquota_inode_hardlimit=%lld",
> > +			   sbinfo->qlimits.usrquota_ihardlimit);
> > +	if (sbinfo->qlimits.grpquota_ihardlimit)
> > +		seq_printf(seq, ",grpquota_inode_hardlimit=%lld",
> > +			   sbinfo->qlimits.grpquota_ihardlimit);
> > +#endif
> >  	return 0;
> >a  }
> 
> Looks good, thanks Honza.
> 
> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>

Acked-by: Hugh Dickins <hughd@google.com>

Andrew, you were not on the Cc when Jan posted this, and I have been
dilatory: but please pick it up now for mm-unstable.  Original is at
https://lore.kernel.org/linux-mm/20240129120131.21145-1-jack@suse.cz/
with Carlos' reviewed-by to be appended.

Many thanks for looking after it all while I'm preoccupied
(and even when I'm not),
Hugh
diff mbox series

Patch

diff --git a/mm/shmem.c b/mm/shmem.c
index d7c84ff62186..30c9dc862505 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -4265,6 +4265,24 @@  static int shmem_show_options(struct seq_file *seq, struct dentry *root)
 	mpol_put(mpol);
 	if (sbinfo->noswap)
 		seq_printf(seq, ",noswap");
+#ifdef CONFIG_TMPFS_QUOTA
+	if (sb_has_quota_active(root->d_sb, USRQUOTA))
+		seq_printf(seq, ",usrquota");
+	if (sb_has_quota_active(root->d_sb, GRPQUOTA))
+		seq_printf(seq, ",grpquota");
+	if (sbinfo->qlimits.usrquota_bhardlimit)
+		seq_printf(seq, ",usrquota_block_hardlimit=%lld",
+			   sbinfo->qlimits.usrquota_bhardlimit);
+	if (sbinfo->qlimits.grpquota_bhardlimit)
+		seq_printf(seq, ",grpquota_block_hardlimit=%lld",
+			   sbinfo->qlimits.grpquota_bhardlimit);
+	if (sbinfo->qlimits.usrquota_ihardlimit)
+		seq_printf(seq, ",usrquota_inode_hardlimit=%lld",
+			   sbinfo->qlimits.usrquota_ihardlimit);
+	if (sbinfo->qlimits.grpquota_ihardlimit)
+		seq_printf(seq, ",grpquota_inode_hardlimit=%lld",
+			   sbinfo->qlimits.grpquota_ihardlimit);
+#endif
 	return 0;
 }