From bf4b39065b68dc6e15934c6e1e34377f64e38daf Mon Sep 17 00:00:00 2001 From: Antonio SJ Musumeci Date: Mon, 10 Feb 2020 18:54:07 -0500 Subject: [PATCH] update fuse_kernel.h --- libfuse/include/fuse_kernel.h | 76 +++++++++++++++++++++++++++++++++-- 1 file changed, 73 insertions(+), 3 deletions(-) diff --git a/libfuse/include/fuse_kernel.h b/libfuse/include/fuse_kernel.h index 2ac59861..373cada8 100644 --- a/libfuse/include/fuse_kernel.h +++ b/libfuse/include/fuse_kernel.h @@ -38,12 +38,50 @@ * * Protocol changelog: * + * 7.1: + * - add the following messages: + * FUSE_SETATTR, FUSE_SYMLINK, FUSE_MKNOD, FUSE_MKDIR, FUSE_UNLINK, + * FUSE_RMDIR, FUSE_RENAME, FUSE_LINK, FUSE_OPEN, FUSE_READ, FUSE_WRITE, + * FUSE_RELEASE, FUSE_FSYNC, FUSE_FLUSH, FUSE_SETXATTR, FUSE_GETXATTR, + * FUSE_LISTXATTR, FUSE_REMOVEXATTR, FUSE_OPENDIR, FUSE_READDIR, + * FUSE_RELEASEDIR + * - add padding to messages to accommodate 32-bit servers on 64-bit kernels + * + * 7.2: + * - add FOPEN_DIRECT_IO and FOPEN_KEEP_CACHE flags + * - add FUSE_FSYNCDIR message + * + * 7.3: + * - add FUSE_ACCESS message + * - add FUSE_CREATE message + * - add filehandle to fuse_setattr_in + * + * 7.4: + * - add frsize to fuse_kstatfs + * - clean up request size limit checking + * + * 7.5: + * - add flags and max_write to fuse_init_out + * + * 7.6: + * - add max_readahead to fuse_init_in and fuse_init_out + * + * 7.7: + * - add FUSE_INTERRUPT message + * - add POSIX file lock support + * + * 7.8: + * - add lock_owner and flags fields to fuse_release_in + * - add FUSE_BMAP message + * - add FUSE_DESTROY message + * * 7.9: * - new fuse_getattr_in input argument of GETATTR * - add lk_flags in fuse_lk_in * - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in * - add blksize field to fuse_attr * - add file flags field to fuse_read_in and fuse_write_in + * - Add ATIME_NOW and MTIME_NOW flags to fuse_setattr_in * * 7.10 * - add nonseekable open flag @@ -54,7 +92,7 @@ * - add POLL message and NOTIFY_POLL notification * * 7.12 - * - add umask flag to input argument of open, mknod and mkdir + * - add umask flag to input argument of create, mknod and mkdir * - add notification messages for invalidation of inodes and * directory entries * @@ -125,6 +163,15 @@ * * 7.29 * - add FUSE_NO_OPENDIR_SUPPORT flag + * + * 7.30 + * - add FUSE_EXPLICIT_INVAL_DATA + * - add FUSE_IOCTL_COMPAT_X32 + * + * 7.31 + * - add FUSE_WRITE_KILL_PRIV flag + * - add FUSE_SETUPMAPPING and FUSE_REMOVEMAPPING + * - add map_alignment to fuse_init_out, add FUSE_MAP_ALIGNMENT flag */ #ifndef _LINUX_FUSE_H @@ -160,7 +207,7 @@ #define FUSE_KERNEL_VERSION 7 /** Minor version number of this interface */ -#define FUSE_KERNEL_MINOR_VERSION 29 +#define FUSE_KERNEL_MINOR_VERSION 31 /** The node ID of the root inode */ #define FUSE_ROOT_ID 1 @@ -229,11 +276,13 @@ struct fuse_file_lock { * FOPEN_KEEP_CACHE: don't invalidate the data cache on open * FOPEN_NONSEEKABLE: the file is not seekable * FOPEN_CACHE_DIR: allow caching this directory + * FOPEN_STREAM: the file is stream-like (no file position at all) */ #define FOPEN_DIRECT_IO (1 << 0) #define FOPEN_KEEP_CACHE (1 << 1) #define FOPEN_NONSEEKABLE (1 << 2) #define FOPEN_CACHE_DIR (1 << 3) +#define FOPEN_STREAM (1 << 4) /** * INIT request/reply flags @@ -263,6 +312,8 @@ struct fuse_file_lock { * FUSE_MAX_PAGES: init_out.max_pages contains the max number of req pages * FUSE_CACHE_SYMLINKS: cache READLINK responses * FUSE_NO_OPENDIR_SUPPORT: kernel supports zero-message opendir + * FUSE_EXPLICIT_INVAL_DATA: only invalidate cached pages on explicit request + * FUSE_MAP_ALIGNMENT: map_alignment field is valid */ #define FUSE_ASYNC_READ (1 << 0) #define FUSE_POSIX_LOCKS (1 << 1) @@ -289,6 +340,8 @@ struct fuse_file_lock { #define FUSE_MAX_PAGES (1 << 22) #define FUSE_CACHE_SYMLINKS (1 << 23) #define FUSE_NO_OPENDIR_SUPPORT (1 << 24) +#define FUSE_EXPLICIT_INVAL_DATA (1 << 25) +#define FUSE_MAP_ALIGNMENT (1 << 26) /** * CUSE INIT request/reply flags @@ -318,9 +371,11 @@ struct fuse_file_lock { * * FUSE_WRITE_CACHE: delayed write from page cache, file handle is guessed * FUSE_WRITE_LOCKOWNER: lock_owner field is valid + * FUSE_WRITE_KILL_PRIV: kill suid and sgid bits */ #define FUSE_WRITE_CACHE (1 << 0) #define FUSE_WRITE_LOCKOWNER (1 << 1) +#define FUSE_WRITE_KILL_PRIV (1 << 2) /** * Read flags @@ -335,6 +390,7 @@ struct fuse_file_lock { * FUSE_IOCTL_RETRY: retry with new iovecs * FUSE_IOCTL_32BIT: 32bit ioctl * FUSE_IOCTL_DIR: is a directory + * FUSE_IOCTL_COMPAT_X32: x32 compat ioctl on 64bit machine (64bit time_t) * * FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs */ @@ -343,6 +399,7 @@ struct fuse_file_lock { #define FUSE_IOCTL_RETRY (1 << 2) #define FUSE_IOCTL_32BIT (1 << 3) #define FUSE_IOCTL_DIR (1 << 4) +#define FUSE_IOCTL_COMPAT_X32 (1 << 5) #define FUSE_IOCTL_MAX_IOV 256 @@ -353,6 +410,13 @@ struct fuse_file_lock { */ #define FUSE_POLL_SCHEDULE_NOTIFY (1 << 0) +/** + * Fsync flags + * + * FUSE_FSYNC_FDATASYNC: Sync data only, not metadata + */ +#define FUSE_FSYNC_FDATASYNC (1 << 0) + enum fuse_opcode { FUSE_LOOKUP = 1, FUSE_FORGET = 2, /* no reply */ @@ -399,9 +463,15 @@ enum fuse_opcode { FUSE_RENAME2 = 45, FUSE_LSEEK = 46, FUSE_COPY_FILE_RANGE = 47, + FUSE_SETUPMAPPING = 48, + FUSE_REMOVEMAPPING = 49, /* CUSE specific operations */ CUSE_INIT = 4096, + + /* Reserved opcodes: helpful to detect structure endian-ness */ + CUSE_INIT_BSWAP_RESERVED = 1048576, /* CUSE_INIT << 8 */ + FUSE_INIT_BSWAP_RESERVED = 436207616, /* FUSE_INIT << 24 */ }; enum fuse_notify_code { @@ -629,7 +699,7 @@ struct fuse_init_out { uint32_t max_write; uint32_t time_gran; uint16_t max_pages; - uint16_t padding; + uint16_t map_alignment; uint32_t unused[8]; };