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[XFS] Implement the di_extsize allocator hint for non-realtime files as

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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>
This commit is contained in:
Nathan Scott
2006-01-11 15:28:28 +11:00
parent 061f7209bd
commit dd9f438e32
7 changed files with 550 additions and 413 deletions
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16
fs/xfs/xfs_inode.c
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@@ -809,6 +809,10 @@ _xfs_dic2xflags(
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 @@ xfs_ialloc(
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 @@ xfs_isize_check(
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;