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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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9
fs/f2fs/file.c
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@@ -672,8 +672,17 @@ int f2fs_getattr(const struct path *path, struct kstat *stat,
{
struct inode *inode = d_inode(path->dentry);
struct f2fs_inode_info *fi = F2FS_I(inode);
struct f2fs_inode *ri;
unsigned int flags;
if (f2fs_has_extra_attr(inode) &&
f2fs_sb_has_inode_crtime(inode->i_sb) &&
F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
stat->result_mask |= STATX_BTIME;
stat->btime.tv_sec = fi->i_crtime.tv_sec;
stat->btime.tv_nsec = fi->i_crtime.tv_nsec;
}
flags = fi->i_flags & (FS_FL_USER_VISIBLE | FS_PROJINHERIT_FL);
if (flags & FS_APPEND_FL)
stat->attributes |= STATX_ATTR_APPEND;