diff options
| -rw-r--r-- | fs/fuse/file.c | 50 | ||||
| -rw-r--r-- | fs/fuse/fuse_i.h | 7 |
2 files changed, 40 insertions, 17 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index d49fad6bdc29..e8aa5337eb29 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -19,14 +19,15 @@ #include <linux/uio.h> #include <linux/fs.h> -static int fuse_send_open(struct fuse_mount *fm, u64 nodeid, struct file *file, - int opcode, struct fuse_open_out *outargp) +static int fuse_send_open(struct fuse_mount *fm, u64 nodeid, + unsigned int open_flags, int opcode, + struct fuse_open_out *outargp) { struct fuse_open_in inarg; FUSE_ARGS(args); memset(&inarg, 0, sizeof(inarg)); - inarg.flags = file->f_flags & ~(O_CREAT | O_EXCL | O_NOCTTY); + inarg.flags = open_flags & ~(O_CREAT | O_EXCL | O_NOCTTY); if (!fm->fc->atomic_o_trunc) inarg.flags &= ~O_TRUNC; @@ -123,8 +124,8 @@ static void fuse_file_put(struct fuse_file *ff, bool sync, bool isdir) } } -int fuse_do_open(struct fuse_mount *fm, u64 nodeid, struct file *file, - bool isdir) +struct fuse_file *fuse_file_open(struct fuse_mount *fm, u64 nodeid, + unsigned int open_flags, bool isdir) { struct fuse_conn *fc = fm->fc; struct fuse_file *ff; @@ -132,7 +133,7 @@ int fuse_do_open(struct fuse_mount *fm, u64 nodeid, struct file *file, ff = fuse_file_alloc(fm); if (!ff) - return -ENOMEM; + return ERR_PTR(-ENOMEM); ff->fh = 0; /* Default for no-open */ @@ -141,14 +142,14 @@ int fuse_do_open(struct fuse_mount *fm, u64 nodeid, struct file *file, struct fuse_open_out outarg; int err; - err = fuse_send_open(fm, nodeid, file, opcode, &outarg); + err = fuse_send_open(fm, nodeid, open_flags, opcode, &outarg); if (!err) { ff->fh = outarg.fh; ff->open_flags = outarg.open_flags; } else if (err != -ENOSYS) { fuse_file_free(ff); - return err; + return ERR_PTR(err); } else { if (isdir) fc->no_opendir = 1; @@ -161,9 +162,19 @@ int fuse_do_open(struct fuse_mount *fm, u64 nodeid, struct file *file, ff->open_flags &= ~FOPEN_DIRECT_IO; ff->nodeid = nodeid; - file->private_data = ff; - return 0; + return ff; +} + +int fuse_do_open(struct fuse_mount *fm, u64 nodeid, struct file *file, + bool isdir) +{ + struct fuse_file *ff = fuse_file_open(fm, nodeid, file->f_flags, isdir); + + if (!IS_ERR(ff)) + file->private_data = ff; + + return PTR_ERR_OR_ZERO(ff); } EXPORT_SYMBOL_GPL(fuse_do_open); @@ -284,22 +295,21 @@ static void fuse_prepare_release(struct fuse_inode *fi, struct fuse_file *ff, ra->args.nocreds = true; } -void fuse_release_common(struct file *file, bool isdir) +void fuse_file_release(struct inode *inode, struct fuse_file *ff, + unsigned int open_flags, fl_owner_t id, bool isdir) { - struct fuse_inode *fi = get_fuse_inode(file_inode(file)); - struct fuse_file *ff = file->private_data; + struct fuse_inode *fi = get_fuse_inode(inode); struct fuse_release_args *ra = ff->release_args; int opcode = isdir ? FUSE_RELEASEDIR : FUSE_RELEASE; - fuse_prepare_release(fi, ff, file->f_flags, opcode); + fuse_prepare_release(fi, ff, open_flags, opcode); if (ff->flock) { ra->inarg.release_flags |= FUSE_RELEASE_FLOCK_UNLOCK; - ra->inarg.lock_owner = fuse_lock_owner_id(ff->fm->fc, - (fl_owner_t) file); + ra->inarg.lock_owner = fuse_lock_owner_id(ff->fm->fc, id); } /* Hold inode until release is finished */ - ra->inode = igrab(file_inode(file)); + ra->inode = igrab(inode); /* * Normally this will send the RELEASE request, however if @@ -313,6 +323,12 @@ void fuse_release_common(struct file *file, bool isdir) fuse_file_put(ff, ff->fm->fc->destroy, isdir); } +void fuse_release_common(struct file *file, bool isdir) +{ + fuse_file_release(file_inode(file), file->private_data, file->f_flags, + (fl_owner_t) file, isdir); +} + static int fuse_open(struct inode *inode, struct file *file) { return fuse_open_common(inode, file, false); diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 5f98a1f76821..42b611c9ede0 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -1242,4 +1242,11 @@ long fuse_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg); long fuse_file_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); +/* file.c */ + +struct fuse_file *fuse_file_open(struct fuse_mount *fm, u64 nodeid, + unsigned int open_flags, bool isdir); +void fuse_file_release(struct inode *inode, struct fuse_file *ff, + unsigned int open_flags, fl_owner_t id, bool isdir); + #endif /* _FS_FUSE_I_H */ |