From c7b7143c6342b8751d47b03a025ac5c0ac1ae809 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Tue, 28 Apr 2009 16:56:37 +0200 Subject: fuse: clean up args in fuse_finish_open() and fuse_release_fill() Move setting ff->fh, ff->nodeid and file->private_data outside fuse_finish_open(). Add ->open_flags member to struct fuse_file. This simplifies the argument passing to fuse_finish_open() and fuse_release_fill(), and paves the way for creating an open helper that doesn't need an inode pointer. Signed-off-by: Miklos Szeredi --- fs/fuse/dir.c | 16 +++++++++------- fs/fuse/file.c | 28 +++++++++++++++------------- fs/fuse/fuse_i.h | 9 ++++++--- 3 files changed, 30 insertions(+), 23 deletions(-) (limited to 'fs/fuse') diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 222584b34ce..da87a3d8a8e 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -365,9 +365,9 @@ static struct dentry *fuse_lookup(struct inode *dir, struct dentry *entry, * Synchronous release for the case when something goes wrong in CREATE_OPEN */ static void fuse_sync_release(struct fuse_conn *fc, struct fuse_file *ff, - u64 nodeid, int flags) + int flags) { - fuse_release_fill(ff, nodeid, flags, FUSE_RELEASE); + fuse_release_fill(ff, flags, FUSE_RELEASE); ff->reserved_req->force = 1; fuse_request_send(fc, ff->reserved_req); fuse_put_request(fc, ff->reserved_req); @@ -445,12 +445,14 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, int mode, goto out_free_ff; fuse_put_request(fc, req); + ff->fh = outopen.fh; + ff->nodeid = outentry.nodeid; + ff->open_flags = outopen.open_flags; inode = fuse_iget(dir->i_sb, outentry.nodeid, outentry.generation, &outentry.attr, entry_attr_timeout(&outentry), 0); if (!inode) { flags &= ~(O_CREAT | O_EXCL | O_TRUNC); - ff->fh = outopen.fh; - fuse_sync_release(fc, ff, outentry.nodeid, flags); + fuse_sync_release(fc, ff, flags); fuse_send_forget(fc, forget_req, outentry.nodeid, 1); return -ENOMEM; } @@ -460,11 +462,11 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, int mode, fuse_invalidate_attr(dir); file = lookup_instantiate_filp(nd, entry, generic_file_open); if (IS_ERR(file)) { - ff->fh = outopen.fh; - fuse_sync_release(fc, ff, outentry.nodeid, flags); + fuse_sync_release(fc, ff, flags); return PTR_ERR(file); } - fuse_finish_open(inode, file, ff, &outopen); + file->private_data = fuse_file_get(ff); + fuse_finish_open(inode, file); return 0; out_free_ff: diff --git a/fs/fuse/file.c b/fs/fuse/file.c index aa4a3876ca3..d9458cace42 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -79,7 +79,7 @@ void fuse_file_free(struct fuse_file *ff) kfree(ff); } -static struct fuse_file *fuse_file_get(struct fuse_file *ff) +struct fuse_file *fuse_file_get(struct fuse_file *ff) { atomic_inc(&ff->count); return ff; @@ -102,18 +102,16 @@ static void fuse_file_put(struct fuse_file *ff) } } -void fuse_finish_open(struct inode *inode, struct file *file, - struct fuse_file *ff, struct fuse_open_out *outarg) +void fuse_finish_open(struct inode *inode, struct file *file) { - if (outarg->open_flags & FOPEN_DIRECT_IO) + struct fuse_file *ff = file->private_data; + + if (ff->open_flags & FOPEN_DIRECT_IO) file->f_op = &fuse_direct_io_file_operations; - if (!(outarg->open_flags & FOPEN_KEEP_CACHE)) + if (!(ff->open_flags & FOPEN_KEEP_CACHE)) invalidate_inode_pages2(inode->i_mapping); - if (outarg->open_flags & FOPEN_NONSEEKABLE) + if (ff->open_flags & FOPEN_NONSEEKABLE) nonseekable_open(inode, file); - ff->fh = outarg->fh; - ff->nodeid = get_node_id(inode); - file->private_data = fuse_file_get(ff); } int fuse_open_common(struct inode *inode, struct file *file, int isdir) @@ -141,13 +139,17 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir) else { if (isdir) outarg.open_flags &= ~FOPEN_DIRECT_IO; - fuse_finish_open(inode, file, ff, &outarg); + 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; } -void fuse_release_fill(struct fuse_file *ff, u64 nodeid, int flags, int opcode) +void fuse_release_fill(struct fuse_file *ff, int flags, int opcode) { struct fuse_req *req = ff->reserved_req; struct fuse_release_in *inarg = &req->misc.release.in; @@ -155,7 +157,7 @@ void fuse_release_fill(struct fuse_file *ff, u64 nodeid, int flags, int opcode) inarg->fh = ff->fh; inarg->flags = flags; req->in.h.opcode = opcode; - req->in.h.nodeid = nodeid; + req->in.h.nodeid = ff->nodeid; req->in.numargs = 1; req->in.args[0].size = sizeof(struct fuse_release_in); req->in.args[0].value = inarg; @@ -174,7 +176,7 @@ int fuse_release_common(struct inode *inode, struct file *file, int isdir) fc = get_fuse_conn(inode); req = ff->reserved_req; - fuse_release_fill(ff, get_node_id(inode), file->f_flags, + fuse_release_fill(ff, file->f_flags, isdir ? FUSE_RELEASEDIR : FUSE_RELEASE); /* Hold vfsmount and dentry until release is finished */ diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index a51f63c7d42..ce46c120f48 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -119,6 +119,9 @@ struct fuse_file { /** Refcount */ atomic_t count; + /** FOPEN_* flags returned by open */ + u32 open_flags; + /** Entry on inode's write_files list */ struct list_head write_entry; @@ -528,12 +531,12 @@ void fuse_read_fill(struct fuse_req *req, struct file *file, int fuse_open_common(struct inode *inode, struct file *file, int isdir); struct fuse_file *fuse_file_alloc(struct fuse_conn *fc); +struct fuse_file *fuse_file_get(struct fuse_file *ff); void fuse_file_free(struct fuse_file *ff); -void fuse_finish_open(struct inode *inode, struct file *file, - struct fuse_file *ff, struct fuse_open_out *outarg); +void fuse_finish_open(struct inode *inode, struct file *file); /** Fill in ff->reserved_req with a RELEASE request */ -void fuse_release_fill(struct fuse_file *ff, u64 nodeid, int flags, int opcode); +void fuse_release_fill(struct fuse_file *ff, int flags, int opcode); /** * Send RELEASE or RELEASEDIR request -- cgit v1.2.3