Commit 31358063 authored by's avatar Committed by Linus Torvalds
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[PATCH] quota: make useless quota error message informative

fs/quota_v2.c can, under some conditions, issue a kernel message that says,
in totality, 'failed read'.  This patch does the following:

1) Gives a hint who issued the error message, so people reading the logs
   don't have to go grepping the entire kernel tree (with 11 false

2) Say what amount of data we expected, and actually got.
Signed-off-by: default avatarValdis Kletnieks <>
Cc: Jan Kara <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent d9975d6b
......@@ -35,7 +35,8 @@ static int v2_check_quota_file(struct super_block *sb, int type)
size = sb->s_op->quota_read(sb, type, (char *)&dqhead, sizeof(struct v2_disk_dqheader), 0);
if (size != sizeof(struct v2_disk_dqheader)) {
printk("failed read\n");
printk("quota_v2: failed read expected=%d got=%d\n",
sizeof(struct v2_disk_dqheader), size);
return 0;
if (le32_to_cpu(dqhead.dqh_magic) != quota_magics[type] ||
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