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[fs/9p] Add file_operations for cached mode in dotl protocol. 

Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
hifive-unleashed-5.1
Venkateswararao Jujjuri (JV) 2010-09-22 16:30:52 -07:00 committed by Eric Van Hensbergen
parent 76381a42e4
commit b04faaf371
1 changed files with 15 additions and 0 deletions
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15
fs/9p/vfs_file.c
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@ -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,