diff options
Diffstat (limited to 'include/fuse.h')
| -rw-r--r-- | include/fuse.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/fuse.h b/include/fuse.h index 7e52719..b05152d 100644 --- a/include/fuse.h +++ b/include/fuse.h @@ -548,6 +548,27 @@ struct fuse_operations { */ int (*read_buf) (const char *, struct fuse_bufvec **bufp, size_t size, off_t off, struct fuse_file_info *); + /** + * Perform BSD file locking operation + * + * The op argument will be either LOCK_SH, LOCK_EX or LOCK_UN + * + * Nonblocking requests will be indicated by ORing LOCK_NB to + * the above operations + * + * For more information see the flock(2) manual page. + * + * Additionally fi->owner will be set to a value unique to + * this open file. This same value will be supplied to + * ->release() when the file is released. + * + * Note: if this method is not implemented, the kernel will still + * allow file locking to work locally. Hence it is only + * interesting for network filesystems and similar. + * + * Introduced in version 2.9 + */ + int (*flock) (const char *, struct fuse_file_info *, int op); }; /** Extra context that may be needed by some filesystems @@ -813,6 +834,8 @@ int fuse_fs_create(struct fuse_fs *fs, const char *path, mode_t mode, struct fuse_file_info *fi); int fuse_fs_lock(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi, int cmd, struct flock *lock); +int fuse_fs_flock(struct fuse_fs *fs, const char *path, + struct fuse_file_info *fi, int op); int fuse_fs_chmod(struct fuse_fs *fs, const char *path, mode_t mode); int fuse_fs_chown(struct fuse_fs *fs, const char *path, uid_t uid, gid_t gid); int fuse_fs_truncate(struct fuse_fs *fs, const char *path, off_t size); |