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f2fs: support inode creation time

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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>
This commit is contained in:
Chao Yu
2018-01-25 14:54:42 +08:00
committed by Jaegeuk Kim
parent 068c3cd858
commit 1c1d35df71
6 changed files with 43 additions and 2 deletions
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15
fs/f2fs/inode.c
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@@ -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);