diff options
Diffstat (limited to 'lib/fuse.c')
| -rw-r--r-- | lib/fuse.c | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -53,6 +53,12 @@ 'gid' option*/ #define FUSE_SET_GID (1 << 8) +/** Bypass the page cache for read and write operations */ +#define FUSE_DIRECT_IO (1 << 9) + +/** If the FUSE_KERNEL_CACHE flag is given, then cached data will not + be flushed on open */ +#define FUSE_KERNEL_CACHE (1 << 10) #define FUSE_MAX_PATH 4096 @@ -978,6 +984,11 @@ static void fuse_open(fuse_req_t req, fuse_ino_t ino, fflush(stdout); } + if (f->flags & FUSE_DIRECT_IO) + fi->direct_io = 1; + if (f->flags & FUSE_KERNEL_CACHE) + fi->keep_cache = 1; + pthread_mutex_lock(&f->lock); if (fuse_reply_open(req, fi) == -ENOENT) { /* The open syscall was interrupted, so it must be cancelled */ @@ -1673,6 +1684,8 @@ int fuse_is_lib_option(const char *opt) strcmp(opt, "use_ino") == 0 || strcmp(opt, "allow_root") == 0 || strcmp(opt, "readdir_ino") == 0 || + strcmp(opt, "direct_io") == 0 || + strcmp(opt, "kernel_cache") == 0 || begins_with(opt, "umask=") || begins_with(opt, "uid=") || begins_with(opt, "gid=")) @@ -1708,6 +1721,10 @@ static int parse_lib_opts(struct fuse *f, const char *opts, char **llopts) f->flags |= FUSE_USE_INO; else if (strcmp(opt, "readdir_ino") == 0) f->flags |= FUSE_READDIR_INO; + else if (strcmp(opt, "direct_io") == 0) + f->flags |= FUSE_DIRECT_IO; + else if (strcmp(opt, "kernel_cache") == 0) + f->flags |= FUSE_KERNEL_CACHE; else if (sscanf(opt, "umask=%o", &f->umask) == 1) f->flags |= FUSE_SET_MODE; else if (sscanf(opt, "uid=%u", &f->uid) == 1) |