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eattr.c
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#include <stdint.h>
#include <string.h>
#include <linux_endian.h>
#include "libgfs2.h"
#include "fsck.h"
static int clear_blk_nodup(struct gfs2_sbd *sbp, uint64_t block)
{
struct gfs2_block_query q;
if(gfs2_block_check(sbp, bl, block, &q)) {
stack;
return -1;
}
if(q.dup_block) {
log_debug("Not clearing block with marked as a duplicate\n");
return 1;
}
gfs2_block_set(sbp, bl, block, gfs2_block_free);
return 0;
}
int clear_eattr_indir(struct gfs2_inode *ip, uint64_t block,
uint64_t parent, struct gfs2_buffer_head **bh,
enum update_flags *want_updated, void *private)
{
*want_updated = not_updated;
return clear_blk_nodup(ip->i_sbd, block);
}
int clear_eattr_leaf(struct gfs2_inode *ip, uint64_t block,
uint64_t parent, struct gfs2_buffer_head **bh,
enum update_flags *want_updated, void *private)
{
*want_updated = not_updated;
return clear_blk_nodup(ip->i_sbd, block);
}
int clear_eattr_entry (struct gfs2_inode *ip,
struct gfs2_buffer_head *leaf_bh,
struct gfs2_ea_header *ea_hdr,
struct gfs2_ea_header *ea_hdr_prev,
void *private)
{
struct gfs2_sbd *sdp = ip->i_sbd;
char ea_name[256];
if(!ea_hdr->ea_name_len){
/* Skip this entry for now */
return 1;
}
memset(ea_name, 0, sizeof(ea_name));
strncpy(ea_name, (char *)ea_hdr + sizeof(struct gfs2_ea_header),
ea_hdr->ea_name_len);
if(!GFS2_EATYPE_VALID(ea_hdr->ea_type) &&
((ea_hdr_prev) || (!ea_hdr_prev && ea_hdr->ea_type))){
/* Skip invalid entry */
return 1;
}
if(ea_hdr->ea_num_ptrs){
uint32_t avail_size;
int max_ptrs;
avail_size = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_meta_header);
max_ptrs = (be32_to_cpu(ea_hdr->ea_data_len)+avail_size-1)/avail_size;
if(max_ptrs > ea_hdr->ea_num_ptrs) {
return 1;
} else {
log_debug(" Pointers Required: %d\n"
" Pointers Reported: %d\n",
max_ptrs,
ea_hdr->ea_num_ptrs);
}
}
return 0;
}
int clear_eattr_extentry(struct gfs2_inode *ip, uint64_t *ea_data_ptr,
struct gfs2_buffer_head *leaf_bh,
struct gfs2_ea_header *ea_hdr,
struct gfs2_ea_header *ea_hdr_prev,
enum update_flags *want_updated, void *private)
{
uint64_t block = be64_to_cpu(*ea_data_ptr);
*want_updated = not_updated;
return clear_blk_nodup(ip->i_sbd, block);
}

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