long long liab;
spin_lock(&c->space_lock);
- liab = c->budg_idx_growth + c->budg_data_growth + c->budg_dd_growth;
+ liab = c->bi.idx_growth + c->bi.data_growth + c->bi.dd_growth;
spin_unlock(&c->space_lock);
return liab;
}
int idx_lebs;
long long idx_size;
- idx_size = c->old_idx_sz + c->budg_idx_growth + c->budg_uncommitted_idx;
+ idx_size = c->bi.old_idx_sz + c->bi.idx_growth + c->bi.uncommitted_idx;
/* And make sure we have thrice the index size of space reserved */
idx_size += idx_size << 1;
/*
* budgeted index space to the size of the current index, multiplies this by 3,
* and makes sure this does not exceed the amount of free LEBs.
*
- * Notes about @c->min_idx_lebs and @c->lst.idx_lebs variables:
+ * Notes about @c->bi.min_idx_lebs and @c->lst.idx_lebs variables:
* o @c->lst.idx_lebs is the number of LEBs the index currently uses. It might
* be large, because UBIFS does not do any index consolidation as long as
* there is free space. IOW, the index may take a lot of LEBs, but the LEBs
* will contain a lot of dirt.
- * o @c->min_idx_lebs is the number of LEBS the index presumably takes. IOW,
- * the index may be consolidated to take up to @c->min_idx_lebs LEBs.
+ * o @c->bi.min_idx_lebs is the number of LEBS the index presumably takes. IOW,
+ * the index may be consolidated to take up to @c->bi.min_idx_lebs LEBs.
*
* This function returns zero in case of success, and %-ENOSPC in case of
* failure.
c->lst.taken_empty_lebs;
if (unlikely(rsvd_idx_lebs > lebs)) {
dbg_budg("out of indexing space: min_idx_lebs %d (old %d), "
- "rsvd_idx_lebs %d", min_idx_lebs, c->min_idx_lebs,
+ "rsvd_idx_lebs %d", min_idx_lebs, c->bi.min_idx_lebs,
rsvd_idx_lebs);
return -ENOSPC;
}
available = ubifs_calc_available(c, min_idx_lebs);
- outstanding = c->budg_data_growth + c->budg_dd_growth;
+ outstanding = c->bi.data_growth + c->bi.dd_growth;
if (unlikely(available < outstanding)) {
dbg_budg("out of data space: available %lld, outstanding %lld",
if (available - outstanding <= c->rp_size && !can_use_rp(c))
return -ENOSPC;
- c->min_idx_lebs = min_idx_lebs;
+ c->bi.min_idx_lebs = min_idx_lebs;
return 0;
}
{
int data_growth;
- data_growth = req->new_ino ? c->inode_budget : 0;
+ data_growth = req->new_ino ? c->bi.inode_budget : 0;
if (req->new_page)
- data_growth += c->page_budget;
+ data_growth += c->bi.page_budget;
if (req->new_dent)
- data_growth += c->dent_budget;
+ data_growth += c->bi.dent_budget;
data_growth += req->new_ino_d;
return data_growth;
}
{
int dd_growth;
- dd_growth = req->dirtied_page ? c->page_budget : 0;
+ dd_growth = req->dirtied_page ? c->bi.page_budget : 0;
if (req->dirtied_ino)
- dd_growth += c->inode_budget << (req->dirtied_ino - 1);
+ dd_growth += c->bi.inode_budget << (req->dirtied_ino - 1);
if (req->mod_dent)
- dd_growth += c->dent_budget;
+ dd_growth += c->bi.dent_budget;
dd_growth += req->dirtied_ino_d;
return dd_growth;
}
again:
spin_lock(&c->space_lock);
- ubifs_assert(c->budg_idx_growth >= 0);
- ubifs_assert(c->budg_data_growth >= 0);
- ubifs_assert(c->budg_dd_growth >= 0);
+ ubifs_assert(c->bi.idx_growth >= 0);
+ ubifs_assert(c->bi.data_growth >= 0);
+ ubifs_assert(c->bi.dd_growth >= 0);
- if (unlikely(c->nospace) && (c->nospace_rp || !can_use_rp(c))) {
+ if (unlikely(c->bi.nospace) && (c->bi.nospace_rp || !can_use_rp(c))) {
dbg_budg("no space");
spin_unlock(&c->space_lock);
return -ENOSPC;
}
- c->budg_idx_growth += idx_growth;
- c->budg_data_growth += data_growth;
- c->budg_dd_growth += dd_growth;
+ c->bi.idx_growth += idx_growth;
+ c->bi.data_growth += data_growth;
+ c->bi.dd_growth += dd_growth;
err = do_budget_space(c);
if (likely(!err)) {
}
/* Restore the old values */
- c->budg_idx_growth -= idx_growth;
- c->budg_data_growth -= data_growth;
- c->budg_dd_growth -= dd_growth;
+ c->bi.idx_growth -= idx_growth;
+ c->bi.data_growth -= data_growth;
+ c->bi.dd_growth -= dd_growth;
spin_unlock(&c->space_lock);
if (req->fast) {
goto again;
}
dbg_budg("FS is full, -ENOSPC");
- c->nospace = 1;
+ c->bi.nospace = 1;
if (can_use_rp(c) || c->rp_size == 0)
- c->nospace_rp = 1;
+ c->bi.nospace_rp = 1;
smp_wmb();
} else
ubifs_err("cannot budget space, error %d", err);
* This function releases the space budgeted by 'ubifs_budget_space()'. Note,
* since the index changes (which were budgeted for in @req->idx_growth) will
* only be written to the media on commit, this function moves the index budget
- * from @c->budg_idx_growth to @c->budg_uncommitted_idx. The latter will be
- * zeroed by the commit operation.
+ * from @c->bi.idx_growth to @c->bi.uncommitted_idx. The latter will be zeroed
+ * by the commit operation.
*/
void ubifs_release_budget(struct ubifs_info *c, struct ubifs_budget_req *req)
{
if (!req->data_growth && !req->dd_growth)
return;
- c->nospace = c->nospace_rp = 0;
+ c->bi.nospace = c->bi.nospace_rp = 0;
smp_wmb();
spin_lock(&c->space_lock);
- c->budg_idx_growth -= req->idx_growth;
- c->budg_uncommitted_idx += req->idx_growth;
- c->budg_data_growth -= req->data_growth;
- c->budg_dd_growth -= req->dd_growth;
- c->min_idx_lebs = ubifs_calc_min_idx_lebs(c);
-
- ubifs_assert(c->budg_idx_growth >= 0);
- ubifs_assert(c->budg_data_growth >= 0);
- ubifs_assert(c->budg_dd_growth >= 0);
- ubifs_assert(c->min_idx_lebs < c->main_lebs);
- ubifs_assert(!(c->budg_idx_growth & 7));
- ubifs_assert(!(c->budg_data_growth & 7));
- ubifs_assert(!(c->budg_dd_growth & 7));
+ c->bi.idx_growth -= req->idx_growth;
+ c->bi.uncommitted_idx += req->idx_growth;
+ c->bi.data_growth -= req->data_growth;
+ c->bi.dd_growth -= req->dd_growth;
+ c->bi.min_idx_lebs = ubifs_calc_min_idx_lebs(c);
+
+ ubifs_assert(c->bi.idx_growth >= 0);
+ ubifs_assert(c->bi.data_growth >= 0);
+ ubifs_assert(c->bi.dd_growth >= 0);
+ ubifs_assert(c->bi.min_idx_lebs < c->main_lebs);
+ ubifs_assert(!(c->bi.idx_growth & 7));
+ ubifs_assert(!(c->bi.data_growth & 7));
+ ubifs_assert(!(c->bi.dd_growth & 7));
spin_unlock(&c->space_lock);
}
{
spin_lock(&c->space_lock);
/* Release the index growth reservation */
- c->budg_idx_growth -= c->max_idx_node_sz << UBIFS_BLOCKS_PER_PAGE_SHIFT;
+ c->bi.idx_growth -= c->max_idx_node_sz << UBIFS_BLOCKS_PER_PAGE_SHIFT;
/* Release the data growth reservation */
- c->budg_data_growth -= c->page_budget;
+ c->bi.data_growth -= c->bi.page_budget;
/* Increase the dirty data growth reservation instead */
- c->budg_dd_growth += c->page_budget;
+ c->bi.dd_growth += c->bi.page_budget;
/* And re-calculate the indexing space reservation */
- c->min_idx_lebs = ubifs_calc_min_idx_lebs(c);
+ c->bi.min_idx_lebs = ubifs_calc_min_idx_lebs(c);
spin_unlock(&c->space_lock);
}
memset(&req, 0, sizeof(struct ubifs_budget_req));
/* The "no space" flags will be cleared because dd_growth is > 0 */
- req.dd_growth = c->inode_budget + ALIGN(ui->data_len, 8);
+ req.dd_growth = c->bi.inode_budget + ALIGN(ui->data_len, 8);
ubifs_release_budget(c, &req);
}
int rsvd_idx_lebs, lebs;
long long available, outstanding, free;
- ubifs_assert(c->min_idx_lebs == ubifs_calc_min_idx_lebs(c));
- outstanding = c->budg_data_growth + c->budg_dd_growth;
- available = ubifs_calc_available(c, c->min_idx_lebs);
+ ubifs_assert(c->bi.min_idx_lebs == ubifs_calc_min_idx_lebs(c));
+ outstanding = c->bi.data_growth + c->bi.dd_growth;
+ available = ubifs_calc_available(c, c->bi.min_idx_lebs);
/*
* When reporting free space to user-space, UBIFS guarantees that it is
* Note, the calculations below are similar to what we have in
* 'do_budget_space()', so refer there for comments.
*/
- if (c->min_idx_lebs > c->lst.idx_lebs)
- rsvd_idx_lebs = c->min_idx_lebs - c->lst.idx_lebs;
+ if (c->bi.min_idx_lebs > c->lst.idx_lebs)
+ rsvd_idx_lebs = c->bi.min_idx_lebs - c->lst.idx_lebs;
else
rsvd_idx_lebs = 0;
lebs = c->lst.empty_lebs + c->freeable_cnt + c->idx_gc_cnt -
git.openpandora.org / pandora-kernel.git / blobdiff