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authorJan Kara <jack@suse.cz>2024-01-29 13:01:31 +0100
committerAndrew Morton <akpm@linux-foundation.org>2024-02-23 17:48:34 -0800
commitb4d3de57cab266fcb536007bf51f42249af364c3 (patch)
tree4c7e9e311b8a1d2fa8ddecaac6df6c2f10176794 /mm
parent73318e2cafe53e8b7c8899d990cf8eaca32184d0 (diff)
shmem: properly report quota mount options
Report quota options among the set of mount options. This allows proper user visibility into whether quotas are enabled or not. Link: https://lkml.kernel.org/r/20240129120131.21145-1-jack@suse.cz Fixes: e09764cff44b ("shmem: quota support") Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Acked-by: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/shmem.c18
1 files changed, 18 insertions, 0 deletions
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;
}