linux-ext4 - [PATCH 2/9] quota: Do not account space used by project quota file to quota

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Date:   Mon, 12 Jul 2021 17:43:08 +0200
From:   Jan Kara <jack@...e.cz>
To:     Ted Tso <tytso@....edu>
Cc:     <linux-ext4@...r.kernel.org>, Jan Kara <jack@...e.cz>
Subject: [PATCH 2/9] quota: Do not account space used by project quota file to quota

Project quota files have high inode numbers but are not accounted in
quota usage. Do not track them when computing quota usage.

Signed-off-by: Jan Kara <jack@...e.cz>
---
 lib/support/mkquota.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/support/mkquota.c b/lib/support/mkquota.c
index fbc3833aee98..21a5c34d6921 100644
--- a/lib/support/mkquota.c
+++ b/lib/support/mkquota.c
@@ -500,9 +500,11 @@ errcode_t quota_compute_usage(quota_ctx_t qctx)
 		}
 		if (ino == 0)
 			break;
-		if (inode->i_links_count &&
-		    (ino == EXT2_ROOT_INO ||
-		     ino >= EXT2_FIRST_INODE(fs->super))) {
+		if (!inode->i_links_count)
+			continue;
+		if (ino == EXT2_ROOT_INO ||
+		    (ino >= EXT2_FIRST_INODE(fs->super) &&
+		     ino != quota_type2inum(PRJQUOTA, fs->super))) {
 			space = ext2fs_get_stat_i_blocks(fs,
 						EXT2_INODE(inode)) << 9;
 			quota_data_add(qctx, inode, ino, space);
-- 
2.26.2