Date: Tue, 7 Dec 2021 04:51:24 GMT From: Alan Somers <asomers@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 8254f966988e - stable/13 - fusefs: diff reduction in fuse_kernel.h Message-ID: <202112070451.1B74pOHX079013@gitrepo.freebsd.org>
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The branch stable/13 has been updated by asomers: URL: https://cgit.FreeBSD.org/src/commit/?id=8254f966988e2ec58b5380bc7a7030789a450500 commit 8254f966988e2ec58b5380bc7a7030789a450500 Author: Alan Somers <asomers@FreeBSD.org> AuthorDate: 2021-09-25 14:23:54 +0000 Commit: Alan Somers <asomers@FreeBSD.org> CommitDate: 2021-12-07 04:50:01 +0000 fusefs: diff reduction in fuse_kernel.h Synchronize formatting and documentation in fuse_kernel.h with upstream sources. Reviewed by: pfg Differential Revision: https://reviews.freebsd.org/D32141 (cherry picked from commit a3a1ce3794e85fe27cb5af5e9f48a490a9ef70c2) --- sys/fs/fuse/fuse_internal.c | 2 +- sys/fs/fuse/fuse_kernel.h | 85 ++++++++++++++++++++++++++++++++++++++++----- 2 files changed, 77 insertions(+), 10 deletions(-) diff --git a/sys/fs/fuse/fuse_internal.c b/sys/fs/fuse/fuse_internal.c index 82e37ed5a466..731ac9c2ba24 100644 --- a/sys/fs/fuse/fuse_internal.c +++ b/sys/fs/fuse/fuse_internal.c @@ -363,7 +363,7 @@ fuse_internal_fsync(struct vnode *vp, ffsi->fsync_flags = 0; if (datasync) - ffsi->fsync_flags = 1; + ffsi->fsync_flags = FUSE_FSYNC_FDATASYNC; if (waitfor == MNT_WAIT) { err = fdisp_wait_answ(&fdi); diff --git a/sys/fs/fuse/fuse_kernel.h b/sys/fs/fuse/fuse_kernel.h index 14cf4fabac14..bd7323e9def2 100644 --- a/sys/fs/fuse/fuse_kernel.h +++ b/sys/fs/fuse/fuse_kernel.h @@ -41,22 +41,61 @@ * * 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 * - * 7.11 + * 7.11 * - add IOCTL message * - add unsolicited notification support + * - add POLL message and NOTIFY_POLL notification * - * 7.12 - * - add umask flag to input argument of open, mknod and mkdir + * 7.12 + * - add umask flag to input argument of create, mknod and mkdir * - add notification messages for invalidation of inodes and * directory entries * @@ -89,6 +128,7 @@ * * 7.20 * - add FUSE_AUTO_INVAL_DATA + * * 7.21 * - add FUSE_READDIRPLUS * - send the requested events in POLL request @@ -105,7 +145,7 @@ * - add FUSE_RENAME2 request * - add FUSE_NO_OPEN_SUPPORT flag * - * 7.24 + * 7.24 * - add FUSE_LSEEK for SEEK_HOLE and SEEK_DATA support * * 7.25 @@ -134,6 +174,26 @@ #include <sys/types.h> #endif +/* + * Version negotiation: + * + * Both the kernel and userspace send the version they support in the + * INIT request and reply respectively. + * + * If the major versions match then both shall use the smallest + * of the two minor versions for communication. + * + * If the kernel supports a larger major version, then userspace shall + * reply with the major version it supports, ignore the rest of the + * INIT message and expect a new INIT message from the kernel with a + * matching major version. + * + * If the library supports a larger major version, then it shall fall + * back to the major protocol version sent by the kernel for + * communication and reply with that major version (and an arbitrary + * supported minor version). + */ + /** Version number of this interface */ #define FUSE_KERNEL_VERSION 7 @@ -331,6 +391,13 @@ 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 */ @@ -791,14 +858,14 @@ struct fuse_notify_retrieve_in { }; struct fuse_lseek_in { - uint64_t fh; - uint64_t offset; - uint32_t whence; - uint32_t padding; + uint64_t fh; + uint64_t offset; + uint32_t whence; + uint32_t padding; }; struct fuse_lseek_out { - uint64_t offset; + uint64_t offset; }; struct fuse_copy_file_range_in {
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