X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_icache.h;h=456f0144e1b6f3f189e0117cad3989e2c286f50c;hb=0a234c6dcb79a270803f5c9773ed650b78730962;hp=a01afbb3909a465a6e94f23bdc819530a3f22140;hpb=9903883f1dd6e86f286b7bfa6e4b423f98c1cd9e;p=~andy%2Flinux

diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h
index a01afbb3909..456f0144e1b 100644
--- a/fs/xfs/xfs_icache.h
+++ b/fs/xfs/xfs_icache.h
@@ -21,9 +21,24 @@
 struct xfs_mount;
 struct xfs_perag;
 
+struct xfs_eofblocks {
+	__u32		eof_flags;
+	kuid_t		eof_uid;
+	kgid_t		eof_gid;
+	prid_t		eof_prid;
+	__u64		eof_min_file_size;
+};
+
 #define SYNC_WAIT		0x0001	/* wait for i/o to complete */
 #define SYNC_TRYLOCK		0x0002  /* only try to lock inodes */
 
+/*
+ * Flags for xfs_iget()
+ */
+#define XFS_IGET_CREATE		0x1
+#define XFS_IGET_UNTRUSTED	0x2
+#define XFS_IGET_DONTCACHE	0x4
+
 int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
 	     uint flags, uint lock_flags, xfs_inode_t **ipp);
 
@@ -31,7 +46,7 @@ void xfs_reclaim_worker(struct work_struct *work);
 
 int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
 int xfs_reclaim_inodes_count(struct xfs_mount *mp);
-void xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
+long xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
 
 void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
 
@@ -49,4 +64,39 @@ int xfs_inode_ag_iterator_tag(struct xfs_mount *mp,
 		int flags, void *args),
 	int flags, void *args, int tag);
 
+static inline int
+xfs_fs_eofblocks_from_user(
+	struct xfs_fs_eofblocks		*src,
+	struct xfs_eofblocks		*dst)
+{
+	if (src->eof_version != XFS_EOFBLOCKS_VERSION)
+		return EINVAL;
+
+	if (src->eof_flags & ~XFS_EOF_FLAGS_VALID)
+		return EINVAL;
+
+	if (memchr_inv(&src->pad32, 0, sizeof(src->pad32)) ||
+	    memchr_inv(src->pad64, 0, sizeof(src->pad64)))
+		return EINVAL;
+
+	dst->eof_flags = src->eof_flags;
+	dst->eof_prid = src->eof_prid;
+	dst->eof_min_file_size = src->eof_min_file_size;
+
+	dst->eof_uid = INVALID_UID;
+	if (src->eof_flags & XFS_EOF_FLAGS_UID) {
+		dst->eof_uid = make_kuid(current_user_ns(), src->eof_uid);
+		if (!uid_valid(dst->eof_uid))
+			return EINVAL;
+	}
+
+	dst->eof_gid = INVALID_GID;
+	if (src->eof_flags & XFS_EOF_FLAGS_GID) {
+		dst->eof_gid = make_kgid(current_user_ns(), src->eof_gid);
+		if (!gid_valid(dst->eof_gid))
+			return EINVAL;
+	}
+	return 0;
+}
+
 #endif