Update bcachefs sources to 84f132d569 bcachefs: fsck: Break walk_inode() up into...

[bcachefs-tools-debian] / libbcachefs / fs-ioctl.h

diff --git a/libbcachefs/fs-ioctl.h b/libbcachefs/fs-ioctl.h
index c14e583da7ec6ab2cb355afc18463ae44811f245..f201980ef2c38e2dbbe5faf7138f0d2a2c479f16 100644 (file)
--- a/libbcachefs/fs-ioctl.h
+++ b/libbcachefs/fs-ioctl.h
@@ -1,7 +1,79 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCACHEFS_FS_IOCTL_H
 #define _BCACHEFS_FS_IOCTL_H
 
-void bch2_inode_flags_to_vfs(struct bch_inode_info *);
+/* Inode flags: */
+
+/* bcachefs inode flags -> vfs inode flags: */
+static const unsigned bch_flags_to_vfs[] = {
+       [__BCH_INODE_SYNC]      = S_SYNC,
+       [__BCH_INODE_IMMUTABLE] = S_IMMUTABLE,
+       [__BCH_INODE_APPEND]    = S_APPEND,
+       [__BCH_INODE_NOATIME]   = S_NOATIME,
+};
+
+/* bcachefs inode flags -> FS_IOC_GETFLAGS: */
+static const unsigned bch_flags_to_uflags[] = {
+       [__BCH_INODE_SYNC]      = FS_SYNC_FL,
+       [__BCH_INODE_IMMUTABLE] = FS_IMMUTABLE_FL,
+       [__BCH_INODE_APPEND]    = FS_APPEND_FL,
+       [__BCH_INODE_NODUMP]    = FS_NODUMP_FL,
+       [__BCH_INODE_NOATIME]   = FS_NOATIME_FL,
+};
+
+/* bcachefs inode flags -> FS_IOC_FSGETXATTR: */
+static const unsigned bch_flags_to_xflags[] = {
+       [__BCH_INODE_SYNC]      = FS_XFLAG_SYNC,
+       [__BCH_INODE_IMMUTABLE] = FS_XFLAG_IMMUTABLE,
+       [__BCH_INODE_APPEND]    = FS_XFLAG_APPEND,
+       [__BCH_INODE_NODUMP]    = FS_XFLAG_NODUMP,
+       [__BCH_INODE_NOATIME]   = FS_XFLAG_NOATIME,
+       //[__BCH_INODE_PROJINHERIT] = FS_XFLAG_PROJINHERIT;
+};
+
+#define set_flags(_map, _in, _out)                                     \
+do {                                                                   \
+       unsigned _i;                                                    \
+                                                                       \
+       for (_i = 0; _i < ARRAY_SIZE(_map); _i++)                       \
+               if ((_in) & (1 << _i))                                  \
+                       (_out) |= _map[_i];                             \
+               else                                                    \
+                       (_out) &= ~_map[_i];                            \
+} while (0)
+
+#define map_flags(_map, _in)                                           \
+({                                                                     \
+       unsigned _out = 0;                                              \
+                                                                       \
+       set_flags(_map, _in, _out);                                     \
+       _out;                                                           \
+})
+
+#define map_flags_rev(_map, _in)                                       \
+({                                                                     \
+       unsigned _i, _out = 0;                                          \
+                                                                       \
+       for (_i = 0; _i < ARRAY_SIZE(_map); _i++)                       \
+               if ((_in) & _map[_i]) {                                 \
+                       (_out) |= 1 << _i;                              \
+                       (_in) &= ~_map[_i];                             \
+               }                                                       \
+       (_out);                                                         \
+})
+
+#define map_defined(_map)                                              \
+({                                                                     \
+       unsigned _in = ~0;                                              \
+                                                                       \
+       map_flags_rev(_map, _in);                                       \
+})
+
+/* Set VFS inode flags from bcachefs inode: */
+static inline void bch2_inode_flags_to_vfs(struct bch_inode_info *inode)
+{
+       set_flags(bch_flags_to_vfs, inode->ei_inode.bi_flags, inode->v.i_flags);
+}
 
 long bch2_fs_file_ioctl(struct file *, unsigned, unsigned long);
 long bch2_compat_fs_ioctl(struct file *, unsigned, unsigned long);