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Commit b04faaf3 authored by Venkateswararao Jujjuri (JV)'s avatar Venkateswararao Jujjuri (JV) Committed by Eric Van Hensbergen
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[fs/9p] Add file_operations for cached mode in dotl protocol. 



Signed-off-by: default avatarVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: default avatarEric Van Hensbergen <ericvh@gmail.com>
parent 76381a42

fs/9p/vfs_file.c

+15 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ 
#include "cache.h"



static const struct file_operations v9fs_cached_file_operations;

static const struct file_operations v9fs_cached_file_operations_dotl;



/**

 * v9fs_file_open - open a file (or directory)
@@ -92,6 +93,8 @@ int v9fs_file_open(struct inode *inode, struct file *file) 
		/* enable cached file options */

		if(file->f_op == &v9fs_file_operations)

			file->f_op = &v9fs_cached_file_operations;

		else if (file->f_op == &v9fs_file_operations_dotl)

			file->f_op = &v9fs_cached_file_operations_dotl;



#ifdef CONFIG_9P_FSCACHE

		v9fs_cache_inode_set_cookie(inode, file);
@@ -299,6 +302,18 @@ static const struct file_operations v9fs_cached_file_operations = { 
	.fsync = v9fs_file_fsync,

};



static const struct file_operations v9fs_cached_file_operations_dotl = {

	.llseek = generic_file_llseek,

	.read = do_sync_read,

	.aio_read = generic_file_aio_read,

	.write = v9fs_file_write,

	.open = v9fs_file_open,

	.release = v9fs_dir_release,

	.lock = v9fs_file_lock,

	.mmap = generic_file_readonly_mmap,

	.fsync = v9fs_file_fsync,

};



const struct file_operations v9fs_file_operations = {

	.llseek = generic_file_llseek,

	.read = v9fs_file_read,