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authorChao Yu <yuchao0@huawei.com>2018-01-25 14:54:42 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2018-01-25 14:10:39 -0800
commit1c1d35df71104c76a4a2e25862926f22c334c9d6 (patch)
tree402a1bdd7b6df8812a99c053946fe1ac0157bff0 /fs/f2fs/inode.c
parent068c3cd85866785303f18960a4c00a182515b963 (diff)
f2fs: support inode creation time
This patch adds creation time field in inode layout to support showing kstat.btime in ->statx. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/inode.c')
-rw-r--r--fs/f2fs/inode.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 1dc77a40d0ad..89c838bfb067 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -278,6 +278,12 @@ static int do_read_inode(struct inode *inode)
i_projid = F2FS_DEF_PROJID;
fi->i_projid = make_kprojid(&init_user_ns, i_projid);
+ if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi->sb) &&
+ F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
+ fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime);
+ fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec);
+ }
+
f2fs_put_page(node_page, 1);
stat_inc_inline_xattr(inode);
@@ -421,6 +427,15 @@ void update_inode(struct inode *inode, struct page *node_page)
F2FS_I(inode)->i_projid);
ri->i_projid = cpu_to_le32(i_projid);
}
+
+ if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)->sb) &&
+ F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
+ i_crtime)) {
+ ri->i_crtime =
+ cpu_to_le64(F2FS_I(inode)->i_crtime.tv_sec);
+ ri->i_crtime_nsec =
+ cpu_to_le32(F2FS_I(inode)->i_crtime.tv_nsec);
+ }
}
__set_inode_rdev(inode, ri);