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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /fs/minix/file.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/minix/file.c')
-rw-r--r--fs/minix/file.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/fs/minix/file.c b/fs/minix/file.c
new file mode 100644
index 0000000000..906d192ab7
--- /dev/null
+++ b/fs/minix/file.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * linux/fs/minix/file.c
+ *
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ *
+ * minix regular file handling primitives
+ */
+
+#include "minix.h"
+
+/*
+ * We have mostly NULLs here: the current defaults are OK for
+ * the minix filesystem.
+ */
+const struct file_operations minix_file_operations = {
+ .llseek = generic_file_llseek,
+ .read_iter = generic_file_read_iter,
+ .write_iter = generic_file_write_iter,
+ .mmap = generic_file_mmap,
+ .fsync = generic_file_fsync,
+ .splice_read = filemap_splice_read,
+};
+
+static int minix_setattr(struct mnt_idmap *idmap,
+ struct dentry *dentry, struct iattr *attr)
+{
+ struct inode *inode = d_inode(dentry);
+ int error;
+
+ error = setattr_prepare(&nop_mnt_idmap, dentry, attr);
+ if (error)
+ return error;
+
+ if ((attr->ia_valid & ATTR_SIZE) &&
+ attr->ia_size != i_size_read(inode)) {
+ error = inode_newsize_ok(inode, attr->ia_size);
+ if (error)
+ return error;
+
+ truncate_setsize(inode, attr->ia_size);
+ minix_truncate(inode);
+ }
+
+ setattr_copy(&nop_mnt_idmap, inode, attr);
+ mark_inode_dirty(inode);
+ return 0;
+}
+
+const struct inode_operations minix_file_inode_operations = {
+ .setattr = minix_setattr,
+ .getattr = minix_getattr,
+};