ext4: cleanup for compiling mballoc with verification and debugging #defines
This patch allows compiling mballoc with: #define AGGRESSIVE_CHECK #define DOUBLE_CHECK #define MB_DEBUG It fixes: Compilation errors: fs/ext4/mballoc.c: In function '__mb_check_buddy': fs/ext4/mballoc.c:605: error: 'struct ext4_prealloc_space' has no member named 'group_list' fs/ext4/mballoc.c:606: error: 'struct ext4_prealloc_space' has no member named 'pstart' fs/ext4/mballoc.c:608: error: 'struct ext4_prealloc_space' has no member named 'len' Compilation warnings: fs/ext4/mballoc.c: In function 'ext4_mb_normalize_group_request': fs/ext4/mballoc.c:2863: warning: format '%lu' expects type 'long unsigned int', but argument 3 has type 'int' fs/ext4/mballoc.c: In function 'ext4_mb_use_inode_pa': fs/ext4/mballoc.c:3103: warning: format '%lu' expects type 'long unsigned int', but argument 3 has type 'int' Sparse check: fs/ext4/mballoc.c:3818:2: warning: context imbalance in 'ext4_mb_show_ac' - different lock contexts for basic block Signed-off-by: Solofo Ramangalahy <Solofo.Ramangalahy@bull.net> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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@ -896,10 +896,10 @@ static int __mb_check_buddy(struct ext4_buddy *e4b, char *file,
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list_for_each(cur, &grp->bb_prealloc_list) {
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ext4_group_t groupnr;
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struct ext4_prealloc_space *pa;
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pa = list_entry(cur, struct ext4_prealloc_space, group_list);
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ext4_get_group_no_and_offset(sb, pa->pstart, &groupnr, &k);
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pa = list_entry(cur, struct ext4_prealloc_space, pa_group_list);
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ext4_get_group_no_and_offset(sb, pa->pa_pstart, &groupnr, &k);
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MB_CHECK_ASSERT(groupnr == e4b->bd_group);
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for (i = 0; i < pa->len; i++)
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for (i = 0; i < pa->pa_len; i++)
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MB_CHECK_ASSERT(mb_test_bit(k + i, buddy));
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}
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return 0;
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@ -3131,7 +3131,7 @@ static void ext4_mb_normalize_group_request(struct ext4_allocation_context *ac)
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ac->ac_g_ex.fe_len = EXT4_SB(sb)->s_stripe;
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else
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ac->ac_g_ex.fe_len = EXT4_SB(sb)->s_mb_group_prealloc;
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mb_debug("#%u: goal %lu blocks for locality group\n",
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mb_debug("#%u: goal %u blocks for locality group\n",
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current->pid, ac->ac_g_ex.fe_len);
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}
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@ -3371,7 +3371,7 @@ static void ext4_mb_use_inode_pa(struct ext4_allocation_context *ac,
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BUG_ON(pa->pa_free < len);
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pa->pa_free -= len;
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mb_debug("use %llu/%lu from inode pa %p\n", start, len, pa);
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mb_debug("use %llu/%u from inode pa %p\n", start, len, pa);
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}
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/*
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@ -4108,7 +4108,7 @@ static void ext4_mb_show_ac(struct ext4_allocation_context *ac)
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printk(KERN_ERR "PA:%lu:%d:%u \n", i,
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start, pa->pa_len);
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}
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ext4_lock_group(sb, i);
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ext4_unlock_group(sb, i);
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if (grp->bb_free == 0)
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continue;
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