[XFS] Implement the di_extsize allocator hint for non-realtime files as
well. Also provides a mechanism for inheriting this property from the
parent directory for new files.
SGI-PV: 945264
SGI-Modid: xfs-linux-melb:xfs-kern:24367a
Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index df0d457..e486c7d 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -809,6 +809,10 @@
flags |= XFS_XFLAG_PROJINHERIT;
if (di_flags & XFS_DIFLAG_NOSYMLINKS)
flags |= XFS_XFLAG_NOSYMLINKS;
+ if (di_flags & XFS_DIFLAG_EXTSIZE)
+ flags |= XFS_XFLAG_EXTSIZE;
+ if (di_flags & XFS_DIFLAG_EXTSZINHERIT)
+ flags |= XFS_XFLAG_EXTSZINHERIT;
}
return flags;
@@ -1192,11 +1196,19 @@
if ((mode & S_IFMT) == S_IFDIR) {
if (pip->i_d.di_flags & XFS_DIFLAG_RTINHERIT)
di_flags |= XFS_DIFLAG_RTINHERIT;
- } else {
+ if (pip->i_d.di_flags & XFS_DIFLAG_EXTSZINHERIT) {
+ di_flags |= XFS_DIFLAG_EXTSZINHERIT;
+ ip->i_d.di_extsize = pip->i_d.di_extsize;
+ }
+ } else if ((mode & S_IFMT) == S_IFREG) {
if (pip->i_d.di_flags & XFS_DIFLAG_RTINHERIT) {
di_flags |= XFS_DIFLAG_REALTIME;
ip->i_iocore.io_flags |= XFS_IOCORE_RT;
}
+ if (pip->i_d.di_flags & XFS_DIFLAG_EXTSZINHERIT) {
+ di_flags |= XFS_DIFLAG_EXTSIZE;
+ ip->i_d.di_extsize = pip->i_d.di_extsize;
+ }
}
if ((pip->i_d.di_flags & XFS_DIFLAG_NOATIME) &&
xfs_inherit_noatime)
@@ -1262,7 +1274,7 @@
if ((ip->i_d.di_mode & S_IFMT) != S_IFREG)
return;
- if ( ip->i_d.di_flags & XFS_DIFLAG_REALTIME )
+ if (ip->i_d.di_flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_EXTSIZE))
return;
nimaps = 2;