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Differential D9694 Diff 25504 head/sys/boot/zfs/zfsimpl.c

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head/sys/boot/zfs/zfsimpl.c

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}; };
/* /*
* List of all pools, chained through spa_link. * List of all pools, chained through spa_link.
*/ */
static spa_list_t zfs_pools; static spa_list_t zfs_pools;
static uint64_t zfs_crc64_table[256]; static uint64_t zfs_crc64_table[256];
static const dnode_phys_t *dnode_cache_obj = 0; static const dnode_phys_t *dnode_cache_obj = NULL;
static uint64_t dnode_cache_bn; static uint64_t dnode_cache_bn;
static char *dnode_cache_buf; static char *dnode_cache_buf;
static char *zap_scratch; static char *zap_scratch;
static char *zfs_temp_buf, *zfs_temp_end, *zfs_temp_ptr; static char *zfs_temp_buf, *zfs_temp_end, *zfs_temp_ptr;
#define TEMP_SIZE (1024 * 1024) #define TEMP_SIZE (1024 * 1024)
static int zio_read(const spa_t *spa, const blkptr_t *bp, void *buf); static int zio_read(const spa_t *spa, const blkptr_t *bp, void *buf);
▲ Show 20 Lines • Show All 1,441 Lines • ▼ Show 20 Linesfzap_lookup(const spa_t *spa, const dnode_phys_t *dnode, const char *name,
int shift = (64 - ZAP_LEAF_HASH_SHIFT(&zl) - zl.l_phys->l_hdr.lh_prefix_len); int shift = (64 - ZAP_LEAF_HASH_SHIFT(&zl) - zl.l_phys->l_hdr.lh_prefix_len);
int h = (hash >> shift) & ((1 << ZAP_LEAF_HASH_SHIFT(&zl)) - 1); int h = (hash >> shift) & ((1 << ZAP_LEAF_HASH_SHIFT(&zl)) - 1);
h = zl.l_phys->l_hash[h]; h = zl.l_phys->l_hash[h];
if (h == 0xffff) if (h == 0xffff)
return (ENOENT); return (ENOENT);
zc = &ZAP_LEAF_CHUNK(&zl, h); zc = &ZAP_LEAF_CHUNK(&zl, h);
while (zc->l_entry.le_hash != hash) { while (zc->l_entry.le_hash != hash) {
if (zc->l_entry.le_next == 0xffff) { if (zc->l_entry.le_next == 0xffff) {
zc = 0; zc = NULL;
break; break;
} }
zc = &ZAP_LEAF_CHUNK(&zl, zc->l_entry.le_next); zc = &ZAP_LEAF_CHUNK(&zl, zc->l_entry.le_next);
} }
if (fzap_name_equal(&zl, zc, name)) { if (fzap_name_equal(&zl, zc, name)) {
if (zc->l_entry.le_value_intlen * zc->l_entry.le_value_numints > if (zc->l_entry.le_value_intlen * zc->l_entry.le_value_numints >
integer_size * num_integers) integer_size * num_integers)
return (E2BIG); return (E2BIG);
▲ Show 20 Lines • Show All 772 Lines • ▼ Show 20 Lines if (!*p)
break; break;
q = strchr(p, '/'); q = strchr(p, '/');
if (q) { if (q) {
memcpy(element, p, q - p); memcpy(element, p, q - p);
element[q - p] = 0; element[q - p] = 0;
p = q; p = q;
} else { } else {
strcpy(element, p); strcpy(element, p);
p = 0; p = NULL;
} }
rc = zfs_dnode_stat(spa, &dn, &sb); rc = zfs_dnode_stat(spa, &dn, &sb);
if (rc) if (rc)
return (rc); return (rc);
if (!S_ISDIR(sb.st_mode)) if (!S_ISDIR(sb.st_mode))
return (ENOTDIR); return (ENOTDIR);
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