Differential D11208 Diff 29706 sys/fs/ext2fs/ext2_vfsops.c

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sys/fs/ext2fs/ext2_vfsops.c

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	static int	static int
	ext2_check_sb_compat(struct ext2fs es, struct cdev dev, int ronly)	ext2_check_sb_compat(struct ext2fs es, struct cdev dev, int ronly)
	{	{
		uint32_t i, mask;

	if (es->e2fs_magic != E2FS_MAGIC) {	if (es->e2fs_magic != E2FS_MAGIC) {
	printf("ext2fs: %s: wrong magic number %#x (expected %#x)\n",	printf("ext2fs: %s: wrong magic number %#x (expected %#x)\n",
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	return (1);	return (1);
	}	}
	if (es->e2fs_rev > E2FS_REV0) {	if (es->e2fs_rev > E2FS_REV0) {
	if (es->e2fs_features_incompat & ~(EXT2F_INCOMPAT_SUPP \|	mask = es->e2fs_features_incompat & ~(EXT2F_INCOMPAT_SUPP \|
	EXT4F_RO_INCOMPAT_SUPP)) {	EXT4F_RO_INCOMPAT_SUPP);
	printf(	if (mask) {
	"WARNING: mount of %s denied due to unsupported optional features\n",	printf("WARNING: mount of %s denied due to "
	devtoname(dev));	"unsupported optional features:\n", devtoname(dev));
		for (i = 0; i < nitems(incompat_names); i++)
		if (mask & incompat_names[i].mask)
		pfgUnsubmitted Done Inline Actions This had some similarity with our nitems() macro (sys/param.h) pfg: This had some similarity with our nitems() macro (sys/param.h)
		printf("%s ", incompat_names[i].name);
		printf("\n");
	return (1);	return (1);
	}	}
	if (!ronly &&	mask = es->e2fs_features_rocompat & ~EXT2F_ROCOMPAT_SUPP;
	(es->e2fs_features_rocompat & ~EXT2F_ROCOMPAT_SUPP)) {	if (!ronly && mask) {
	printf("WARNING: R/W mount of %s denied due to "	printf("WARNING: R/W mount of %s denied due to "
	"unsupported optional features\n", devtoname(dev));	"unsupported optional features:\n", devtoname(dev));
		for (i = 0; i < nitems(ro_compat_names); i++)
		if (mask & ro_compat_names[i].mask)
		printf("%s ", ro_compat_names[i].name);
		printf("\n");
	return (1);	return (1);
		pfgUnsubmitted Not Done Inline Actions Wondering what happens if the number is not on the list: ext4 has been adding more features and it is likely we cannot keep the list up to date with new things coming. pfg: Wondering what happens if the number is not on the list: ext4 has been adding more features and…
	}	}
	}	}
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