write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/fs/9p/vfs_super.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  linux/fs/9p/vfs_super.c
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  *
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@@ -6,22 +7,6 @@
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  *
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  *  Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
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  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License version 2
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- *  as published by the Free Software Foundation.
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- *
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- *  This program is distributed in the hope that it will be useful,
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- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *  GNU General Public License for more details.
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- *
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- *  You should have received a copy of the GNU General Public License
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- *  along with this program; if not, write to:
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- *  Free Software Foundation
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- *  51 Franklin Street, Fifth Floor
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- *  Boston, MA  02111-1301  USA
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- *
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  */
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 #include <linux/kernel.h>
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@@ -73,7 +58,7 @@
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 static int
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 v9fs_fill_super(struct super_block *sb, struct v9fs_session_info *v9ses,
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-		int flags, void *data)
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+		int flags)
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 {
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 	int ret;
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@@ -84,15 +69,21 @@
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 	if (v9fs_proto_dotl(v9ses)) {
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 		sb->s_op = &v9fs_super_ops_dotl;
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 		sb->s_xattr = v9fs_xattr_handlers;
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-	} else
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+	} else {
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 		sb->s_op = &v9fs_super_ops;
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+		sb->s_time_max = U32_MAX;
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+	}
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+
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+	sb->s_time_min = 0;
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 	ret = super_setup_bdi(sb);
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 	if (ret)
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 		return ret;
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-	if (v9ses->cache)
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-		sb->s_bdi->ra_pages = (VM_MAX_READAHEAD * 1024)/PAGE_SIZE;
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+	if (!v9ses->cache) {
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+		sb->s_bdi->ra_pages = 0;
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+		sb->s_bdi->io_pages = 0;
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+	}
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 	sb->s_flags |= SB_ACTIVE | SB_DIRSYNC;
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 	if (!v9ses->cache)
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@@ -143,7 +134,7 @@
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 		retval = PTR_ERR(sb);
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 		goto clunk_fid;
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 	}
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-	retval = v9fs_fill_super(sb, v9ses, flags, data);
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+	retval = v9fs_fill_super(sb, v9ses, flags);
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 	if (retval)
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 		goto release_sb;
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@@ -269,8 +260,7 @@
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 			buf->f_bavail = rs.bavail;
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 			buf->f_files = rs.files;
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 			buf->f_ffree = rs.ffree;
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-			buf->f_fsid.val[0] = rs.fsid & 0xFFFFFFFFUL;
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-			buf->f_fsid.val[1] = (rs.fsid >> 32) & 0xFFFFFFFFUL;
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+			buf->f_fsid = u64_to_fsid(rs.fsid);
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 			buf->f_namelen = rs.namelen;
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 		}
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 		if (res != -ENOSYS)
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@@ -344,7 +334,7 @@
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 static const struct super_operations v9fs_super_ops = {
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 	.alloc_inode = v9fs_alloc_inode,
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-	.destroy_inode = v9fs_destroy_inode,
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+	.free_inode = v9fs_free_inode,
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 	.statfs = simple_statfs,
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 	.evict_inode = v9fs_evict_inode,
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 	.show_options = v9fs_show_options,
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@@ -354,7 +344,7 @@
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 static const struct super_operations v9fs_super_ops_dotl = {
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 	.alloc_inode = v9fs_alloc_inode,
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-	.destroy_inode = v9fs_destroy_inode,
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+	.free_inode = v9fs_free_inode,
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 	.statfs = v9fs_statfs,
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 	.drop_inode = v9fs_drop_inode,
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 	.evict_inode = v9fs_evict_inode,