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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_FS_IOCTL_H
#define _BCACHEFS_FS_IOCTL_H
/* Inode flags: */
/* bcachefs inode flags -> vfs inode flags: */
static const __maybe_unused 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 __maybe_unused 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 __maybe_unused 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);
#endif /* _BCACHEFS_FS_IOCTL_H */
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