Hi all,
We've cross-checking patches from ext3/ext4, and found out
inconsistent implementations of other fs. We want to ask whether this
is intended or unexpected behavior. We will be able to send patches as
soon as confirmed/acknowledged.
Ref.
(ext4) 53b7e9f6807c1274eee19201396b4c2b5f721553
(ext3) 0b23076988b44b2c165e060248345de6f2337387
| ext3/4: fix update of mtime and ctime on rename
---------------------------------------------------------------------
We summarized our finding:
(* means what we believe is correct beahvoir)
<Linux 4.0-rc2>
ramfs affs fsplus
vfs xfs fat gfs2 jffs2 hfsh
operation | * | | | | | | | | |
===========================================================
new_inode->i_ctime | V | - | - | V | V | - | - | V | - | -
old_inode->i_ctime | V | V | V | - | V | V | - | - | - | -
old_dir->i_ctime | V | V | V | V | V | V | V | - | V | V
old_dir->i_mtime | V | V | V | V | V | V | V | - | V | V
new_dir->i_ctime | V | V | V | V | - | V | V | - | V | V
new_dir->i_mtime | V | V | V | V | - | V | V | - | V | V
new_dir->i_atime | - | - | - | V | - | - | - | - | - | -
* Correct behavior in
ext2, ext3, ext4, btrfs, f2fs, nilfs, reiserfs, cifs, exofs, jfs,
ubifs, ocfs and minix
---------------------------------------------------------------------
Thanks,
Taesoo
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