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Commit 22b13969 authored by Deepa Dinamani's avatar Deepa Dinamani
Browse files

fs: Fill in max and min timestamps in superblock 



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: default avatarDeepa Dinamani <deepa.kernel@gmail.com>
Reviewed-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Acked-By: default avatarTigran Aivazian <aivazian.tigran@gmail.com>
Acked-by: default avatarJeff Layton <jlayton@kernel.org>
Cc: aivazian.tigran@gmail.com
Cc: al@alarsen.net
Cc: coda@cs.cmu.edu
Cc: darrick.wong@oracle.com
Cc: dushistov@mail.ru
Cc: dwmw2@infradead.org
Cc: hch@infradead.org
Cc: jack@suse.com
Cc: jaharkes@cs.cmu.edu
Cc: luisbg@kernel.org
Cc: nico@fluxnic.net
Cc: phillip@squashfs.org.uk
Cc: richard@nod.at
Cc: salah.triki@gmail.com
Cc: shaggy@kernel.org
Cc: linux-xfs@vger.kernel.org
Cc: codalist@coda.cs.cmu.edu
Cc: linux-ext4@vger.kernel.org
Cc: linux-mtd@lists.infradead.org
Cc: jfs-discussion@lists.sourceforge.net
Cc: reiserfs-devel@vger.kernel.org
parent 42e729b9

fs/befs/linuxvfs.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

fs/bfs/inode.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

fs/coda/inode.c

+3 −0
Original line number Diff line number Diff line
@@ -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)

fs/cramfs/inode.c

+2 −0
Original line number Diff line number Diff line
@@ -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))

fs/efs/super.c

+2 −0
Original line number Diff line number Diff line
@@ -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)) {