From 3f2c6b30f44e01724b8f89b8f934159bc3373781 Mon Sep 17 00:00:00 2001
From: Brian Foster <bfoster@redhat.com>
Date: Wed, 7 Nov 2012 12:21:13 -0500
Subject: [PATCH] --- yaml --- r: 339403 b: refs/heads/master c:
 3e3f9f5863548e870edfcc72e7617ac8ddcad44a h: refs/heads/master i:   339401:
 15e26e195f4a8a105af67ab0680bec7d40fe51e6   339399:
 ec17f7f178ce26b4d913a79f175e7bcc9ce60d4b v: v3

---
 [refs]                    |  2 +-
 trunk/fs/xfs/xfs_fs.h     | 14 ++++++++++++--
 trunk/fs/xfs/xfs_icache.c | 22 ++++++++++++++++++++++
 trunk/fs/xfs/xfs_ioctl.c  |  3 ++-
 4 files changed, 37 insertions(+), 4 deletions(-)

diff --git a/[refs] b/[refs]
index dd12032e46be..ca3a8a10f31f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8ca149de80478441352a8622ea15fae7de703ced
+refs/heads/master: 3e3f9f5863548e870edfcc72e7617ac8ddcad44a
diff --git a/trunk/fs/xfs/xfs_fs.h b/trunk/fs/xfs/xfs_fs.h
index 0cfa30813b16..a19f9b205c15 100644
--- a/trunk/fs/xfs/xfs_fs.h
+++ b/trunk/fs/xfs/xfs_fs.h
@@ -346,13 +346,23 @@ typedef struct xfs_error_injection {
 struct xfs_eofblocks {
 	__u32		eof_version;
 	__u32		eof_flags;
-	__u64		pad[15];
+	uid_t		eof_uid;
+	gid_t		eof_gid;
+	prid_t		eof_prid;
+	__u32		pad32;
+	__u64		pad64[13];
 };
 
 /* eof_flags values */
 #define XFS_EOF_FLAGS_SYNC		(1 << 0) /* sync/wait mode scan */
+#define XFS_EOF_FLAGS_UID		(1 << 1) /* filter by uid */
+#define XFS_EOF_FLAGS_GID		(1 << 2) /* filter by gid */
+#define XFS_EOF_FLAGS_PRID		(1 << 3) /* filter by project id */
 #define XFS_EOF_FLAGS_VALID	\
-	(XFS_EOF_FLAGS_SYNC)
+	(XFS_EOF_FLAGS_SYNC |	\
+	 XFS_EOF_FLAGS_UID |	\
+	 XFS_EOF_FLAGS_GID |	\
+	 XFS_EOF_FLAGS_PRID)
 
 
 /*
diff --git a/trunk/fs/xfs/xfs_icache.c b/trunk/fs/xfs/xfs_icache.c
index fbb74c715266..b239da91c43b 100644
--- a/trunk/fs/xfs/xfs_icache.c
+++ b/trunk/fs/xfs/xfs_icache.c
@@ -1170,6 +1170,21 @@ xfs_reclaim_inodes_count(
 	return reclaimable;
 }
 
+STATIC int
+xfs_inode_match_id(
+	struct xfs_inode	*ip,
+	struct xfs_eofblocks	*eofb)
+{
+	if (eofb->eof_flags & XFS_EOF_FLAGS_UID)
+		return ip->i_d.di_uid == eofb->eof_uid;
+	else if (eofb->eof_flags & XFS_EOF_FLAGS_GID)
+		return ip->i_d.di_gid == eofb->eof_gid;
+	else if (eofb->eof_flags & XFS_EOF_FLAGS_PRID)
+		return xfs_get_projid(ip) == eofb->eof_prid;
+
+	return 0;
+}
+
 STATIC int
 xfs_inode_free_eofblocks(
 	struct xfs_inode	*ip,
@@ -1178,6 +1193,7 @@ xfs_inode_free_eofblocks(
 	void			*args)
 {
 	int ret;
+	struct xfs_eofblocks *eofb = args;
 
 	if (!xfs_can_free_eofblocks(ip, false)) {
 		/* inode could be preallocated or append-only */
@@ -1194,6 +1210,12 @@ xfs_inode_free_eofblocks(
 	    mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_DIRTY))
 		return 0;
 
+	if (eofb &&
+	    (eofb->eof_flags & (XFS_EOF_FLAGS_UID|XFS_EOF_FLAGS_GID|
+			       XFS_EOF_FLAGS_PRID)) &&
+	    !xfs_inode_match_id(ip, eofb))
+		return 0;
+
 	ret = xfs_free_eofblocks(ip->i_mount, ip, true);
 
 	/* don't revisit the inode if we're not waiting */
diff --git a/trunk/fs/xfs/xfs_ioctl.c b/trunk/fs/xfs/xfs_ioctl.c
index 5b20ab0b4f9d..c1c3ef88a260 100644
--- a/trunk/fs/xfs/xfs_ioctl.c
+++ b/trunk/fs/xfs/xfs_ioctl.c
@@ -1615,7 +1615,8 @@ xfs_file_ioctl(
 		if (eofb.eof_flags & ~XFS_EOF_FLAGS_VALID)
 			return -XFS_ERROR(EINVAL);
 
-		if (memchr_inv(eofb.pad, 0, sizeof(eofb.pad)))
+		if (memchr_inv(&eofb.pad32, 0, sizeof(eofb.pad32)) ||
+		    memchr_inv(eofb.pad64, 0, sizeof(eofb.pad64)))
 			return -XFS_ERROR(EINVAL);
 
 		error = xfs_icache_free_eofblocks(mp, &eofb);