xfs: add inode id filtering to eofblocks scan

Support inode ID filtering in the eofblocks scan. The caller must
set the associated XFS_EOF_FLAGS_*ID bit and ID field.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

1 files changed, 12 insertions, 2 deletions

diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h
index 0cfa30813b16..a19f9b205c15 100644
--- a/fs/xfs/xfs_fs.h
+++ b/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)
 
 
 /*