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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2011-02-28 17:03:54 +0530
committerEric Van Hensbergen <ericvh@gmail.com>2011-03-15 09:57:36 -0500
commit29236f4e18dde0c772968b6ce965d0365fe3fe4e (patch)
treeabbfd30756c96fbd3a318986b91738120ed058f8 /fs/9p
parentf735195d51e10b2550097f7b0ac12219060e962b (diff)
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fs/9p: set the cached file_operations struct during inode init
With the old code we were not setting the file->f_op with cached file operations during creat. (format correction by jvrao@linux.vnet.ibm.com) Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'fs/9p')
-rw-r--r--fs/9p/v9fs_vfs.h2
-rw-r--r--fs/9p/vfs_file.c18
-rw-r--r--fs/9p/vfs_inode.c11
3 files changed, 15 insertions, 16 deletions
diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index b789f8e597e..e4d5540cbb7 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -45,6 +45,8 @@ extern const struct file_operations v9fs_dir_operations;
extern const struct file_operations v9fs_dir_operations_dotl;
extern const struct dentry_operations v9fs_dentry_operations;
extern const struct dentry_operations v9fs_cached_dentry_operations;
+extern const struct file_operations v9fs_cached_file_operations;
+extern const struct file_operations v9fs_cached_file_operations_dotl;
#ifdef CONFIG_9P_FSCACHE
struct inode *v9fs_alloc_inode(struct super_block *sb);
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 240c3067439..6a671000263 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -44,9 +44,6 @@
#include "fid.h"
#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)
* @inode: inode to be opened
@@ -89,19 +86,12 @@ int v9fs_file_open(struct inode *inode, struct file *file)
}
file->private_data = fid;
+#ifdef CONFIG_9P_FSCACHE
if ((fid->qid.version) && (v9ses->cache)) {
P9_DPRINTK(P9_DEBUG_VFS, "cached");
- /* 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);
-#endif
}
-
+#endif
return 0;
}
@@ -505,7 +495,7 @@ int v9fs_file_fsync_dotl(struct file *filp, int datasync)
return retval;
}
-static const struct file_operations v9fs_cached_file_operations = {
+const struct file_operations v9fs_cached_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.aio_read = generic_file_aio_read,
@@ -517,7 +507,7 @@ static const struct file_operations v9fs_cached_file_operations = {
.fsync = v9fs_file_fsync,
};
-static const struct file_operations v9fs_cached_file_operations_dotl = {
+const struct file_operations v9fs_cached_file_operations_dotl = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.aio_read = generic_file_aio_read,
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index b76a40bdf4c..83af2b7e65d 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -292,10 +292,17 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
case S_IFREG:
if (v9fs_proto_dotl(v9ses)) {
inode->i_op = &v9fs_file_inode_operations_dotl;
- inode->i_fop = &v9fs_file_operations_dotl;
+ if (v9ses->cache)
+ inode->i_fop =
+ &v9fs_cached_file_operations_dotl;
+ else
+ inode->i_fop = &v9fs_file_operations_dotl;
} else {
inode->i_op = &v9fs_file_inode_operations;
- inode->i_fop = &v9fs_file_operations;
+ if (v9ses->cache)
+ inode->i_fop = &v9fs_cached_file_operations;
+ else
+ inode->i_fop = &v9fs_file_operations;
}
break;