Fill in the appropriate limits to avoid inconsistencies
in the vfs cached inode times when timestamps are
outside the permitted range.
Even though some filesystems are read-only, fill in the
timestamps to reflect the on-disk representation.
Signed-off-by: Deepa Dinamani <deepa.ker...@gmail.com>
Cc: aivazian.tig...@gmail.com
Cc: a...@alarsen.net
Cc: c...@cs.cmu.edu
Cc: darrick.w...@oracle.com
Cc: dushis...@mail.ru
Cc: dw...@infradead.org
Cc: h...@infradead.org
Cc: j...@suse.com
Cc: jahar...@cs.cmu.edu
Cc: lui...@kernel.org
Cc: n...@fluxnic.net
Cc: phil...@squashfs.org.uk
Cc: rich...@nod.at
Cc: salah.tr...@gmail.com
Cc: sha...@kernel.org
Cc: linux-...@vger.kernel.org
Cc: codal...@coda.cs.cmu.edu
Cc: linux-e...@vger.kernel.org
Cc: linux-...@lists.infradead.org
Cc: jfs-discuss...@lists.sourceforge.net
Cc: reiserfs-de...@vger.kernel.org
---
fs/befs/linuxvfs.c | 2 ++
fs/bfs/inode.c | 2 ++
fs/coda/inode.c | 3 +++
fs/cramfs/inode.c | 2 ++
fs/efs/super.c | 2 ++
fs/ext2/super.c | 2 ++
fs/freevxfs/vxfs_super.c | 2 ++
fs/jffs2/fs.c | 3 +++
fs/jfs/super.c | 2 ++
fs/minix/inode.c | 2 ++
fs/qnx4/inode.c | 2 ++
fs/qnx6/inode.c | 2 ++
fs/reiserfs/super.c | 3 +++
fs/romfs/super.c | 2 ++
fs/squashfs/super.c | 2 ++
fs/ufs/super.c | 7 +++++++
fs/xfs/xfs_super.c | 2 ++
17 files changed, 42 insertions(+)
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index 462d096ff3e9..64cdf4d8e424 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -893,6 +893,8 @@ befs_fill_super(struct super_block *sb, void *data, int
silent)
sb_set_blocksize(sb, (ulong) befs_sb->block_size);
sb->s_op = &befs_sops;
sb->s_export_op = &befs_export_operations;
+ sb->s_time_min = 0;
+ sb->s_time_max = 0xffffffffffffll;
root = befs_iget(sb, iaddr2blockno(sb, &(befs_sb->root_dir)));
if (IS_ERR(root)) {
ret = PTR_ERR(root);
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c
index 5e97bed073d7..f8ce1368218b 100644
--- a/fs/bfs/inode.c
+++ b/fs/bfs/inode.c
@@ -324,6 +324,8 @@ static int bfs_fill_super(struct super_block *s, void
*data, int silent)
return -ENOMEM;
mutex_init(&info->bfs_lock);
s->s_fs_info = info;
+ s->s_time_min = 0;
+ s->s_time_max = U32_MAX;
sb_set_blocksize(s, BFS_BSIZE);
diff --git a/fs/coda/inode.c b/fs/coda/inode.c
index 321f56e487cb..b1c70e2b9b1e 100644
--- a/fs/coda/inode.c
+++ b/fs/coda/inode.c
@@ -188,6 +188,9 @@ static int coda_fill_super(struct super_block *sb, void
*data, int silent)
sb->s_magic = CODA_SUPER_MAGIC;
sb->s_op = &coda_super_operations;
sb->s_d_op = &coda_dentry_operations;
+ sb->s_time_gran = 1;
+ sb->s_time_min = S64_MIN;
+ sb->s_time_max = S64_MAX;
error = super_setup_bdi(sb);
if (error)
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index 9352487bd0fc..4d1d8b7761ed 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -597,6 +597,8 @@ static int cramfs_finalize_super(struct super_block *sb,
/* Set it all up.. */
sb->s_flags |= SB_RDONLY;
+ sb->s_time_min = 0;
+ sb->s_time_max = 0;
sb->s_op = &cramfs_ops;
root = get_cramfs_inode(sb, cramfs_root, 0);
if (IS_ERR(root))
diff --git a/fs/efs/super.c b/fs/efs/super.c
index 867fc24dee20..4a6ebff2af76 100644
--- a/fs/efs/super.c
+++ b/fs/efs/super.c
@@ -257,6 +257,8 @@ static int efs_fill_super(struct super_block *s, void *d,
int silent)
if (!sb)
return -ENOMEM;
s->s_fs_info = sb;
+ s->s_time_min = 0;
+ s->s_time_max = U32_MAX;
s->s_magic = EFS_SUPER_MAGIC;
if (!sb_set_blocksize(s, EFS_BLOCKSIZE)) {
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 44eb6e7eb492..baa36c6fb71e 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1002,6 +1002,8 @@ static int ext2_fill_super(struct super_block *sb, void
*data, int silent)
sb->s_maxbytes = ext2_max_size(sb->s_blocksize_bits);
sb->s_max_links = EXT2_LINK_MAX;
+ sb->s_time_min = S32_MIN;
+ sb->s_time_max = S32_MAX;
if (le32_to_cpu(es->s_rev_level) == EXT2_GOOD_OLD_REV) {
sbi->s_inode_size = EXT2_GOOD_OLD_INODE_SIZE;
diff --git a/fs/freevxfs/vxfs_super.c b/fs/freevxfs/vxfs_super.c
index a89f68c3cbed..578a5062706e 100644
--- a/fs/freevxfs/vxfs_super.c
+++ b/fs/freevxfs/vxfs_super.c
@@ -229,6 +229,8 @@ static int vxfs_fill_super(struct super_block *sbp, void
*dp, int silent)
sbp->s_op = &vxfs_super_ops;
sbp->s_fs_info = infp;
+ sbp->s_time_min = 0;
+ sbp->s_time_max = U32_MAX;
if (!vxfs_try_sb_magic(sbp, silent, 1,
(__force __fs32)cpu_to_le32(VXFS_SUPER_MAGIC))) {
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index 8a20ddd25f2d..d0b59d03a7a9 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -590,6 +590,9 @@ int jffs2_do_fill_super(struct super_block *sb, void *data,
int silent)
sb->s_blocksize = PAGE_SIZE;
sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = JFFS2_SUPER_MAGIC;
+ sb->s_time_min = 0;
+ sb->s_time_max = U32_MAX;
+
if (!sb_rdonly(sb))
jffs2_start_garbage_collect_thread(c);
return 0;
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index f4e10cb9f734..b2dc4d1f9dcc 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -503,6 +503,8 @@ static int jfs_fill_super(struct super_block *sb, void
*data, int silent)
sb->s_fs_info = sbi;
sb->s_max_links = JFS_LINK_MAX;
+ sb->s_time_min = 0;
+ sb->s_time_max = U32_MAX;
sbi->sb = sb;
sbi->uid = INVALID_UID;
sbi->gid = INVALID_GID;
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index f96073f25432..7cb5fd38eb14 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -277,6 +277,8 @@ static int minix_fill_super(struct super_block *s, void
*data, int silent)
/* set up enough so that it can read an inode */
s->s_op = &minix_sops;
+ s->s_time_min = 0;
+ s->s_time_max = U32_MAX;
root_inode = minix_iget(s, MINIX_ROOT_INO);
if (IS_ERR(root_inode)) {
ret = PTR_ERR(root_inode);
diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c
index 922d083bbc7c..e8da1cde87b9 100644
--- a/fs/qnx4/inode.c
+++ b/fs/qnx4/inode.c
@@ -201,6 +201,8 @@ static int qnx4_fill_super(struct super_block *s, void
*data, int silent)
s->s_op = &qnx4_sops;
s->s_magic = QNX4_SUPER_MAGIC;
s->s_flags |= SB_RDONLY; /* Yup, read-only yet */
+ s->s_time_min = 0;
+ s->s_time_max = U32_MAX;
/* Check the superblock signature. Since the qnx4 code is
dangerous, we should leave as quickly as possible
diff --git a/fs/qnx6/inode.c b/fs/qnx6/inode.c
index 0f8b0ff1ba43..345db56c98fd 100644
--- a/fs/qnx6/inode.c
+++ b/fs/qnx6/inode.c
@@ -429,6 +429,8 @@ static int qnx6_fill_super(struct super_block *s, void
*data, int silent)
s->s_op = &qnx6_sops;
s->s_magic = QNX6_SUPER_MAGIC;
s->s_flags |= SB_RDONLY; /* Yup, read-only yet */
+ s->s_time_min = 0;
+ s->s_time_max = U32_MAX;
/* ease the later tree level calculations */
sbi = QNX6_SB(s);
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index ab028ea0e561..d69b4ac0ae2f 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1976,6 +1976,9 @@ static int reiserfs_fill_super(struct super_block *s,
void *data, int silent)
goto error_unlocked;
}
+ s->s_time_min = 0;
+ s->s_time_max = U32_MAX;
+
rs = SB_DISK_SUPER_BLOCK(s);
/*
* Let's do basic sanity check to verify that underlying device is not
diff --git a/fs/romfs/super.c b/fs/romfs/super.c
index 7d580f7c3f1d..a42c0e3079dc 100644
--- a/fs/romfs/super.c
+++ b/fs/romfs/super.c
@@ -478,6 +478,8 @@ static int romfs_fill_super(struct super_block *sb, void
*data, int silent)
sb->s_maxbytes = 0xFFFFFFFF;
sb->s_magic = ROMFS_MAGIC;
sb->s_flags |= SB_RDONLY | SB_NOATIME;
+ sb->s_time_min = 0;
+ sb->s_time_max = 0;
sb->s_op = &romfs_super_ops;
#ifdef CONFIG_ROMFS_ON_MTD
diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index effa638d6d85..a9e9837617a9 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -183,6 +183,8 @@ static int squashfs_fill_super(struct super_block *sb, void
*data, int silent)
(u64) le64_to_cpu(sblk->id_table_start));
sb->s_maxbytes = MAX_LFS_FILESIZE;
+ sb->s_time_min = 0;
+ sb->s_time_max = U32_MAX;
sb->s_flags |= SB_RDONLY;
sb->s_op = &squashfs_super_ops;
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 4ed0dca52ec8..1da0be667409 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -843,6 +843,10 @@ static int ufs_fill_super(struct super_block *sb, void
*data, int silent)
sb->s_maxbytes = MAX_LFS_FILESIZE;
+ sb->s_time_gran = NSEC_PER_SEC;
+ sb->s_time_min = S32_MIN;
+ sb->s_time_max = S32_MAX;
+
switch (sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) {
case UFS_MOUNT_UFSTYPE_44BSD:
UFSD("ufstype=44bsd\n");
@@ -861,6 +865,9 @@ static int ufs_fill_super(struct super_block *sb, void
*data, int silent)
uspi->s_fshift = 9;
uspi->s_sbsize = super_block_size = 1536;
uspi->s_sbbase = 0;
+ sb->s_time_gran = 1;
+ sb->s_time_min = S64_MIN;
+ sb->s_time_max = S64_MAX;
flags |= UFS_TYPE_UFS2 | UFS_DE_44BSD | UFS_UID_44BSD |
UFS_ST_44BSD | UFS_CG_44BSD;
break;
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index a14d11d78bd8..1a0daf46bae8 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1685,6 +1685,8 @@ xfs_fs_fill_super(
sb->s_maxbytes = xfs_max_file_offset(sb->s_blocksize_bits);
sb->s_max_links = XFS_MAXLINK;
sb->s_time_gran = 1;
+ sb->s_time_min = S32_MIN;
+ sb->s_time_max = S32_MAX;
set_posix_acl_flag(sb);
/* version 5 superblocks support inode version counters. */
--
2.17.1
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