[PATCH v8 14/20] fs: sysv: Initialize filesystem timestamp ranges

From: Deepa Dinamani
Date: Sun Aug 18 2019 - 13:00:08 EST


Fill in the appropriate limits to avoid inconsistencies
in the vfs cached inode times when timestamps are
outside the permitted range.

Signed-off-by: Deepa Dinamani <deepa.kernel@xxxxxxxxx>
Cc: hch@xxxxxxxxxxxxx
---
fs/sysv/super.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/sysv/super.c b/fs/sysv/super.c
index d788b1daa7eb..cc8e2ed155c8 100644
--- a/fs/sysv/super.c
+++ b/fs/sysv/super.c
@@ -368,7 +368,8 @@ static int sysv_fill_super(struct super_block *sb, void *data, int silent)
sbi->s_block_base = 0;
mutex_init(&sbi->s_lock);
sb->s_fs_info = sbi;
-
+ sb->s_time_min = 0;
+ sb->s_time_max = U32_MAX;
sb_set_blocksize(sb, BLOCK_SIZE);

for (i = 0; i < ARRAY_SIZE(flavours) && !size; i++) {
@@ -487,6 +488,8 @@ static int v7_fill_super(struct super_block *sb, void *data, int silent)
sbi->s_type = FSTYPE_V7;
mutex_init(&sbi->s_lock);
sb->s_fs_info = sbi;
+ sb->s_time_min = 0;
+ sb->s_time_max = U32_MAX;

sb_set_blocksize(sb, 512);

--
2.17.1