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Commit 89580e37 authored by Peng Tao's avatar Peng Tao Committed by Greg Kroah-Hartman
Browse files

staging/lustre/llite: restore ll_fiemap 



It was removed by coan by mistake when first porting the code.

Signed-off-by: default avatarPeng Tao <bergwolf@gmail.com>
Signed-off-by: default avatarAndreas Dilger <andreas.dilger@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e630a6bc

drivers/staging/lustre/lustre/llite/file.c

+33 −0
Original line number Diff line number Diff line
@@ -2628,6 +2628,38 @@ int ll_getattr(struct vfsmount *mnt, struct dentry *de, struct kstat *stat) 
	return ll_getattr_it(mnt, de, &it, stat);

}



int ll_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,

		__u64 start, __u64 len)

{

	int rc;

	size_t num_bytes;

	struct ll_user_fiemap *fiemap;

	unsigned int extent_count = fieinfo->fi_extents_max;



	num_bytes = sizeof(*fiemap) + (extent_count *

				       sizeof(struct ll_fiemap_extent));

	OBD_ALLOC_LARGE(fiemap, num_bytes);



	if (fiemap == NULL)

		return -ENOMEM;



	fiemap->fm_flags = fieinfo->fi_flags;

	fiemap->fm_extent_count = fieinfo->fi_extents_max;

	fiemap->fm_start = start;

	fiemap->fm_length = len;

	memcpy(&fiemap->fm_extents[0], fieinfo->fi_extents_start,

	       sizeof(struct ll_fiemap_extent));



	rc = ll_do_fiemap(inode, fiemap, num_bytes);



	fieinfo->fi_flags = fiemap->fm_flags;

	fieinfo->fi_extents_mapped = fiemap->fm_mapped_extents;

	memcpy(fieinfo->fi_extents_start, &fiemap->fm_extents[0],

	       fiemap->fm_mapped_extents * sizeof(struct ll_fiemap_extent));



	OBD_FREE_LARGE(fiemap, num_bytes);

	return rc;

}



struct posix_acl * ll_get_acl(struct inode *inode, int type)

{
@@ -2740,6 +2772,7 @@ struct inode_operations ll_file_inode_operations = { 
	.getxattr	= ll_getxattr,

	.listxattr	= ll_listxattr,

	.removexattr	= ll_removexattr,

	.fiemap		= ll_fiemap,

	.get_acl	= ll_get_acl,

};