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authorDeepa Dinamani <deepa.kernel@gmail.com>2016-09-14 07:48:04 -0700
committerAl Viro <viro@zeniv.linux.org.uk>2016-09-27 21:06:21 -0400
commit078cd8279e659989b103359bb22373cc79445bde (patch)
tree923e3fe84d232cc9ba31481852ea1faf46f56fb6 /fs/jfs
parent2554c72edb81c97ae5307613dd0aee1ef8dd13ca (diff)
downloadop-kernel-dev-078cd8279e659989b103359bb22373cc79445bde.zip
op-kernel-dev-078cd8279e659989b103359bb22373cc79445bde.tar.gz
fs: Replace CURRENT_TIME with current_time() for inode timestamps
CURRENT_TIME macro is not appropriate for filesystems as it doesn't use the right granularity for filesystem timestamps. Use current_time() instead. CURRENT_TIME is also not y2038 safe. This is also in preparation for the patch that transitions vfs timestamps to use 64 bit time and hence make them y2038 safe. As part of the effort current_time() will be extended to do range checks. Hence, it is necessary for all file system timestamps to use current_time(). Also, current_time() will be transitioned along with vfs to be y2038 safe. Note that whenever a single call to current_time() is used to change timestamps in different inodes, it is because they share the same time granularity. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Felipe Balbi <balbi@kernel.org> Acked-by: Steven Whitehouse <swhiteho@redhat.com> Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Acked-by: David Sterba <dsterba@suse.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/jfs')
-rw-r--r--fs/jfs/acl.c2
-rw-r--r--fs/jfs/inode.c2
-rw-r--r--fs/jfs/jfs_inode.c2
-rw-r--r--fs/jfs/namei.c22
-rw-r--r--fs/jfs/super.c2
-rw-r--r--fs/jfs/xattr.c2
6 files changed, 16 insertions, 16 deletions
diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c
index 21fa92b..4c1a6b5 100644
--- a/fs/jfs/acl.c
+++ b/fs/jfs/acl.c
@@ -81,7 +81,7 @@ static int __jfs_set_acl(tid_t tid, struct inode *inode, int type,
rc = posix_acl_equiv_mode(acl, &inode->i_mode);
if (rc < 0)
return rc;
- inode->i_ctime = CURRENT_TIME;
+ inode->i_ctime = current_time(inode);
mark_inode_dirty(inode);
if (rc == 0)
acl = NULL;
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index ad3e7b1..054cc76 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -403,7 +403,7 @@ void jfs_truncate_nolock(struct inode *ip, loff_t length)
break;
}
- ip->i_mtime = ip->i_ctime = CURRENT_TIME;
+ ip->i_mtime = ip->i_ctime = current_time(ip);
mark_inode_dirty(ip);
txCommit(tid, 1, &ip, 0);
diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index 5e33cb9..375dd25 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -131,7 +131,7 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
jfs_inode->mode2 |= inode->i_mode;
inode->i_blocks = 0;
- inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
+ inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
jfs_inode->otime = inode->i_ctime.tv_sec;
inode->i_generation = JFS_SBI(sb)->gengen++;
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 814b0c5..b05d0b4 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -162,7 +162,7 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, umode_t mode,
mark_inode_dirty(ip);
- dip->i_ctime = dip->i_mtime = CURRENT_TIME;
+ dip->i_ctime = dip->i_mtime = current_time(dip);
mark_inode_dirty(dip);
@@ -298,7 +298,7 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, umode_t mode)
/* update parent directory inode */
inc_nlink(dip); /* for '..' from child directory */
- dip->i_ctime = dip->i_mtime = CURRENT_TIME;
+ dip->i_ctime = dip->i_mtime = current_time(dip);
mark_inode_dirty(dip);
rc = txCommit(tid, 2, &iplist[0], 0);
@@ -406,7 +406,7 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
/* update parent directory's link count corresponding
* to ".." entry of the target directory deleted
*/
- dip->i_ctime = dip->i_mtime = CURRENT_TIME;
+ dip->i_ctime = dip->i_mtime = current_time(dip);
inode_dec_link_count(dip);
/*
@@ -528,7 +528,7 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
ASSERT(ip->i_nlink);
- ip->i_ctime = dip->i_ctime = dip->i_mtime = CURRENT_TIME;
+ ip->i_ctime = dip->i_ctime = dip->i_mtime = current_time(ip);
mark_inode_dirty(dip);
/* update target's inode */
@@ -838,8 +838,8 @@ static int jfs_link(struct dentry *old_dentry,
/* update object inode */
inc_nlink(ip); /* for new link */
- ip->i_ctime = CURRENT_TIME;
- dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+ ip->i_ctime = current_time(ip);
+ dir->i_ctime = dir->i_mtime = current_time(dir);
mark_inode_dirty(dir);
ihold(ip);
@@ -1039,7 +1039,7 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
mark_inode_dirty(ip);
- dip->i_ctime = dip->i_mtime = CURRENT_TIME;
+ dip->i_ctime = dip->i_mtime = current_time(dip);
mark_inode_dirty(dip);
/*
* commit update of parent directory and link object
@@ -1215,7 +1215,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
tblk->xflag |= COMMIT_DELETE;
tblk->u.ip = new_ip;
} else {
- new_ip->i_ctime = CURRENT_TIME;
+ new_ip->i_ctime = current_time(new_ip);
mark_inode_dirty(new_ip);
}
} else {
@@ -1278,7 +1278,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
/*
* Update ctime on changed/moved inodes & mark dirty
*/
- old_ip->i_ctime = CURRENT_TIME;
+ old_ip->i_ctime = current_time(old_ip);
mark_inode_dirty(old_ip);
new_dir->i_ctime = new_dir->i_mtime = current_fs_time(new_dir->i_sb);
@@ -1293,7 +1293,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
if (old_dir != new_dir) {
iplist[ipcount++] = new_dir;
- old_dir->i_ctime = old_dir->i_mtime = CURRENT_TIME;
+ old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir);
mark_inode_dirty(old_dir);
}
@@ -1426,7 +1426,7 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry,
mark_inode_dirty(ip);
- dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+ dir->i_ctime = dir->i_mtime = current_time(dir);
mark_inode_dirty(dir);
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index cec8814..85671f7 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -830,7 +830,7 @@ out:
if (inode->i_size < off+len-towrite)
i_size_write(inode, off+len-towrite);
inode->i_version++;
- inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+ inode->i_mtime = inode->i_ctime = current_time(inode);
mark_inode_dirty(inode);
inode_unlock(inode);
return len - towrite;
diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c
index 0bf3c33..c60f3d3 100644
--- a/fs/jfs/xattr.c
+++ b/fs/jfs/xattr.c
@@ -658,7 +658,7 @@ static int ea_put(tid_t tid, struct inode *inode, struct ea_buffer *ea_buf,
if (old_blocks)
dquot_free_block(inode, old_blocks);
- inode->i_ctime = CURRENT_TIME;
+ inode->i_ctime = current_time(inode);
return 0;
}
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