#include "v9fs.h"
#include "v9fs_vfs.h"
#include "fid.h"
+#include "cache.h"
static const struct file_operations v9fs_cached_file_operations;
P9_DPRINTK(P9_DEBUG_VFS, "inode: %p file: %p \n", inode, file);
v9ses = v9fs_inode2v9ses(inode);
- omode = v9fs_uflags2omode(file->f_flags, v9fs_extended(v9ses));
+ omode = v9fs_uflags2omode(file->f_flags, v9fs_proto_dotu(v9ses));
fid = file->private_data;
if (!fid) {
fid = v9fs_fid_clone(file->f_path.dentry);
i_size_write(inode, 0);
inode->i_blocks = 0;
}
- if ((file->f_flags & O_APPEND) && (!v9fs_extended(v9ses)))
+ if ((file->f_flags & O_APPEND) && (!v9fs_proto_dotu(v9ses)))
generic_file_llseek(file, 0, SEEK_END);
}
/* enable cached file options */
if(file->f_op == &v9fs_file_operations)
file->f_op = &v9fs_cached_file_operations;
+
+#ifdef CONFIG_9P_FSCACHE
+ v9fs_cache_inode_set_cookie(inode, file);
+#endif
}
return 0;
P9_DPRINTK(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl);
/* No mandatory locks */
- if (__mandatory_lock(inode))
+ if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)
return -ENOLCK;
if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {
struct p9_fid *fid;
struct p9_client *clnt;
struct inode *inode = filp->f_path.dentry->d_inode;
- int origin = *offset;
+ loff_t origin = *offset;
unsigned long pg_start, pg_end;
P9_DPRINTK(P9_DEBUG_VFS, "data %p count %d offset %x\n", data,
if (total > 0) {
pg_start = origin >> PAGE_CACHE_SHIFT;
pg_end = (origin + total - 1) >> PAGE_CACHE_SHIFT;
- invalidate_inode_pages2_range(inode->i_mapping, pg_start,
- pg_end);
+ if (inode->i_mapping && inode->i_mapping->nrpages)
+ invalidate_inode_pages2_range(inode->i_mapping,
+ pg_start, pg_end);
*offset += total;
i_size_write(inode, i_size_read(inode) + total);
inode->i_blocks = (i_size_read(inode) + 512 - 1) >> 9;
return total;
}
+static int v9fs_file_fsync(struct file *filp, struct dentry *dentry,
+ int datasync)
+{
+ struct p9_fid *fid;
+ struct p9_wstat wstat;
+ int retval;
+
+ P9_DPRINTK(P9_DEBUG_VFS, "filp %p dentry %p datasync %x\n", filp,
+ dentry, datasync);
+
+ fid = filp->private_data;
+ v9fs_blank_wstat(&wstat);
+
+ retval = p9_client_wstat(fid, &wstat);
+ return retval;
+}
+
static const struct file_operations v9fs_cached_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.release = v9fs_dir_release,
.lock = v9fs_file_lock,
.mmap = generic_file_readonly_mmap,
+ .fsync = v9fs_file_fsync,
};
const struct file_operations v9fs_file_operations = {
.release = v9fs_dir_release,
.lock = v9fs_file_lock,
.mmap = generic_file_readonly_mmap,
+ .fsync = v9fs_file_fsync,
+};
+
+const struct file_operations v9fs_file_operations_dotl = {
+ .llseek = generic_file_llseek,
+ .read = v9fs_file_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,
};