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Viewing changes to fs/ubifs/lpt_commit.c

  • Committer: Package Import Robot
  • Author(s): John Rigby, John Rigby
  • Date: 2011-09-26 10:44:23 UTC
  • Revision ID: package-import@ubuntu.com-20110926104423-57i0gl3v99b3lkfg
Tags: 3.0.0-1007.9
https://launchpad.net/bugs/826021
[ John Rigby ]

Enable crypto modules and remove crypto-modules from
exclude-module files
LP: #826021

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fs/ubifs/lpt_commit.c
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#include <linux/slab.h>
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#include "ubifs.h"
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#ifdef CONFIG_UBIFS_FS_DEBUG
 
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static int dbg_populate_lsave(struct ubifs_info *c);
 
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#else
 
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#define dbg_populate_lsave(c) 0
 
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#endif
 
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/**
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 * first_dirty_cnode - find first dirty cnode.
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 * @c: UBIFS file-system description object
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                        if (nnode->nbranch[iip].lnum)
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                                break;
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                }
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       } while (iip >= UBIFS_LPT_FANOUT);
 
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        } while (iip >= UBIFS_LPT_FANOUT);
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        /* Go right */
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        nnode = ubifs_get_nnode(c, nnode, iip);
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                c->lpt_drty_flgs |= LSAVE_DIRTY;
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                ubifs_add_lpt_dirt(c, c->lsave_lnum, c->lsave_sz);
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        }
 
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        if (dbg_populate_lsave(c))
 
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                return;
 
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        list_for_each_entry(lprops, &c->empty_list, list) {
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                c->lsave[cnt++] = lprops->lnum;
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                if (cnt >= c->lsave_cnt)
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               current->pid);
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}
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/**
 
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 * dbg_populate_lsave - debugging version of 'populate_lsave()'
 
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 * @c: UBIFS file-system description object
 
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 *
 
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 * This is a debugging version for 'populate_lsave()' which populates lsave
 
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 * with random LEBs instead of useful LEBs, which is good for test coverage.
 
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 * Returns zero if lsave has not been populated (this debugging feature is
 
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 * disabled) an non-zero if lsave has been populated.
 
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 */
 
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static int dbg_populate_lsave(struct ubifs_info *c)
 
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{
 
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        struct ubifs_lprops *lprops;
 
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        struct ubifs_lpt_heap *heap;
 
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        int i;
 
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        if (!(ubifs_chk_flags & UBIFS_CHK_GEN))
 
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                return 0;
 
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        if (random32() & 3)
 
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                return 0;
 
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        for (i = 0; i < c->lsave_cnt; i++)
 
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                c->lsave[i] = c->main_first;
 
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        list_for_each_entry(lprops, &c->empty_list, list)
 
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                c->lsave[random32() % c->lsave_cnt] = lprops->lnum;
 
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        list_for_each_entry(lprops, &c->freeable_list, list)
 
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                c->lsave[random32() % c->lsave_cnt] = lprops->lnum;
 
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        list_for_each_entry(lprops, &c->frdi_idx_list, list)
 
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                c->lsave[random32() % c->lsave_cnt] = lprops->lnum;
 
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        heap = &c->lpt_heap[LPROPS_DIRTY_IDX - 1];
 
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        for (i = 0; i < heap->cnt; i++)
 
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                c->lsave[random32() % c->lsave_cnt] = heap->arr[i]->lnum;
 
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        heap = &c->lpt_heap[LPROPS_DIRTY - 1];
 
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        for (i = 0; i < heap->cnt; i++)
 
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                c->lsave[random32() % c->lsave_cnt] = heap->arr[i]->lnum;
 
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        heap = &c->lpt_heap[LPROPS_FREE - 1];
 
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        for (i = 0; i < heap->cnt; i++)
 
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                c->lsave[random32() % c->lsave_cnt] = heap->arr[i]->lnum;
 
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        return 1;
 
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}
 
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#endif /* CONFIG_UBIFS_FS_DEBUG */