hpfs: update ctime and mtime on directory modification
Update ctime and mtime when a directory is modified. (though OS/2 doesn't
update them anyway)
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@kernel.org # v3.3+
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index a0872f2..9e92c9c 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -8,6 +8,17 @@
#include <linux/sched.h>
#include "hpfs_fn.h"
+static void hpfs_update_directory_times(struct inode *dir)
+{
+ time_t t = get_seconds();
+ if (t == dir->i_mtime.tv_sec &&
+ t == dir->i_ctime.tv_sec)
+ return;
+ dir->i_mtime.tv_sec = dir->i_ctime.tv_sec = t;
+ dir->i_mtime.tv_nsec = dir->i_ctime.tv_nsec = 0;
+ hpfs_write_inode_nolock(dir);
+}
+
static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
const unsigned char *name = dentry->d_name.name;
@@ -99,6 +110,7 @@
result->i_mode = mode | S_IFDIR;
hpfs_write_inode_nolock(result);
}
+ hpfs_update_directory_times(dir);
d_instantiate(dentry, result);
hpfs_unlock(dir->i_sb);
return 0;
@@ -187,6 +199,7 @@
result->i_mode = mode | S_IFREG;
hpfs_write_inode_nolock(result);
}
+ hpfs_update_directory_times(dir);
d_instantiate(dentry, result);
hpfs_unlock(dir->i_sb);
return 0;
@@ -262,6 +275,7 @@
insert_inode_hash(result);
hpfs_write_inode_nolock(result);
+ hpfs_update_directory_times(dir);
d_instantiate(dentry, result);
brelse(bh);
hpfs_unlock(dir->i_sb);
@@ -340,6 +354,7 @@
insert_inode_hash(result);
hpfs_write_inode_nolock(result);
+ hpfs_update_directory_times(dir);
d_instantiate(dentry, result);
hpfs_unlock(dir->i_sb);
return 0;
@@ -423,6 +438,8 @@
out1:
hpfs_brelse4(&qbh);
out:
+ if (!err)
+ hpfs_update_directory_times(dir);
hpfs_unlock(dir->i_sb);
return err;
}
@@ -477,6 +494,8 @@
out1:
hpfs_brelse4(&qbh);
out:
+ if (!err)
+ hpfs_update_directory_times(dir);
hpfs_unlock(dir->i_sb);
return err;
}
@@ -595,7 +614,7 @@
goto end1;
}
- end:
+end:
hpfs_i(i)->i_parent_dir = new_dir->i_ino;
if (S_ISDIR(i->i_mode)) {
inc_nlink(new_dir);
@@ -610,6 +629,10 @@
brelse(bh);
}
end1:
+ if (!err) {
+ hpfs_update_directory_times(old_dir);
+ hpfs_update_directory_times(new_dir);
+ }
hpfs_unlock(i->i_sb);
return err;
}