diff options
Diffstat (limited to 'fs/fuse/file.c')
| -rw-r--r-- | fs/fuse/file.c | 65 |
1 files changed, 40 insertions, 25 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index d9458cace42..6bdaa55ae61 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -15,10 +15,9 @@ static const struct file_operations fuse_direct_io_file_operations; -static int fuse_send_open(struct inode *inode, struct file *file, int isdir, - struct fuse_open_out *outargp) +static int fuse_send_open(struct fuse_conn *fc, u64 nodeid, struct file *file, + int opcode, struct fuse_open_out *outargp) { - struct fuse_conn *fc = get_fuse_conn(inode); struct fuse_open_in inarg; struct fuse_req *req; int err; @@ -31,8 +30,8 @@ static int fuse_send_open(struct inode *inode, struct file *file, int isdir, inarg.flags = file->f_flags & ~(O_CREAT | O_EXCL | O_NOCTTY); if (!fc->atomic_o_trunc) inarg.flags &= ~O_TRUNC; - req->in.h.opcode = isdir ? FUSE_OPENDIR : FUSE_OPEN; - req->in.h.nodeid = get_node_id(inode); + req->in.h.opcode = opcode; + req->in.h.nodeid = nodeid; req->in.numargs = 1; req->in.args[0].size = sizeof(inarg); req->in.args[0].value = &inarg; @@ -102,6 +101,35 @@ static void fuse_file_put(struct fuse_file *ff) } } +static int fuse_do_open(struct fuse_conn *fc, u64 nodeid, struct file *file, + bool isdir) +{ + struct fuse_open_out outarg; + struct fuse_file *ff; + int err; + int opcode = isdir ? FUSE_OPENDIR : FUSE_OPEN; + + ff = fuse_file_alloc(fc); + if (!ff) + return -ENOMEM; + + err = fuse_send_open(fc, nodeid, file, opcode, &outarg); + if (err) { + fuse_file_free(ff); + return err; + } + + if (isdir) + outarg.open_flags &= ~FOPEN_DIRECT_IO; + + ff->fh = outarg.fh; + ff->nodeid = nodeid; + ff->open_flags = outarg.open_flags; + file->private_data = fuse_file_get(ff); + + return 0; +} + void fuse_finish_open(struct inode *inode, struct file *file) { struct fuse_file *ff = file->private_data; @@ -114,11 +142,9 @@ void fuse_finish_open(struct inode *inode, struct file *file) nonseekable_open(inode, file); } -int fuse_open_common(struct inode *inode, struct file *file, int isdir) +int fuse_open_common(struct inode *inode, struct file *file, bool isdir) { struct fuse_conn *fc = get_fuse_conn(inode); - struct fuse_open_out outarg; - struct fuse_file *ff; int err; /* VFS checks this, but only _after_ ->open() */ @@ -129,24 +155,13 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir) if (err) return err; - ff = fuse_file_alloc(fc); - if (!ff) - return -ENOMEM; - - err = fuse_send_open(inode, file, isdir, &outarg); + err = fuse_do_open(fc, get_node_id(inode), file, isdir); if (err) - fuse_file_free(ff); - else { - if (isdir) - outarg.open_flags &= ~FOPEN_DIRECT_IO; - ff->fh = outarg.fh; - ff->nodeid = get_node_id(inode); - ff->open_flags = outarg.open_flags; - file->private_data = fuse_file_get(ff); - fuse_finish_open(inode, file); - } + return err; - return err; + fuse_finish_open(inode, file); + + return 0; } void fuse_release_fill(struct fuse_file *ff, int flags, int opcode) @@ -201,7 +216,7 @@ int fuse_release_common(struct inode *inode, struct file *file, int isdir) static int fuse_open(struct inode *inode, struct file *file) { - return fuse_open_common(inode, file, 0); + return fuse_open_common(inode, file, false); } static int fuse_release(struct inode *inode, struct file *file) |