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Commit 30aaca45 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: llseek fix race
  fuse: fix llseek bug
  fuse: fix fuse_retrieve
parents ddb36077 73104b6e

fs/fuse/dev.c

+2 −1
Original line number Diff line number Diff line
@@ -1512,7 +1512,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode, 
	else if (outarg->offset + num > file_size)

		num = file_size - outarg->offset;



	while (num) {

	while (num && req->num_pages < FUSE_MAX_PAGES_PER_REQ) {

		struct page *page;

		unsigned int this_num;
@@ -1526,6 +1526,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode, 


		num -= this_num;

		total_len += this_num;

		index++;

	}

	req->misc.retrieve_in.offset = outarg->offset;

	req->misc.retrieve_in.size = total_len;

fs/fuse/file.c

+5 −1
Original line number Diff line number Diff line
@@ -1556,7 +1556,7 @@ static loff_t fuse_file_llseek(struct file *file, loff_t offset, int origin) 
	struct inode *inode = file->f_path.dentry->d_inode;



	mutex_lock(&inode->i_mutex);

	if (origin != SEEK_CUR || origin != SEEK_SET) {

	if (origin != SEEK_CUR && origin != SEEK_SET) {

		retval = fuse_update_attributes(inode, NULL, file, NULL);

		if (retval)

			goto exit;
@@ -1567,6 +1567,10 @@ static loff_t fuse_file_llseek(struct file *file, loff_t offset, int origin) 
		offset += i_size_read(inode);

		break;

	case SEEK_CUR:

		if (offset == 0) {

			retval = file->f_pos;

			goto exit;

		}

		offset += file->f_pos;

		break;

	case SEEK_DATA: