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udf: use get_bh()

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Make UDF use get_bh() instead of directly accessing b_count and use
brelse() instead of udf_release_data() which does just brelse()...

Signed-off-by: Jan Kara <jack@suse.cz>
Acked-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Kara
2007-05-08 00:35:16 -07:00
committed by Linus Torvalds
parent ff116fc8d1
commit 3bf25cb40d
12 changed files with 174 additions and 177 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
fs/udf/super.c
View File

@@ -563,7 +563,7 @@ udf_vrs(struct super_block *sb, int silent)
if (vsd->stdIdent[0] == 0)
{
udf_release_data(bh);
brelse(bh);
break;
}
else if (!strncmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN))
@@ -596,7 +596,7 @@ udf_vrs(struct super_block *sb, int silent)
}
else if (!strncmp(vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN))
{
udf_release_data(bh);
brelse(bh);
break;
}
else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN))
@@ -607,7 +607,7 @@ udf_vrs(struct super_block *sb, int silent)
{
nsr03 = sector;
}
udf_release_data(bh);
brelse(bh);
}
if (nsr03)
@@ -673,7 +673,7 @@ udf_find_anchor(struct super_block *sb)
{
ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
udf_release_data(bh);
brelse(bh);
}
if (ident == TAG_IDENT_AVDP)
@@ -708,7 +708,7 @@ udf_find_anchor(struct super_block *sb)
{
ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
udf_release_data(bh);
brelse(bh);
}
if (ident == TAG_IDENT_AVDP &&
@@ -727,7 +727,7 @@ udf_find_anchor(struct super_block *sb)
{
ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
udf_release_data(bh);
brelse(bh);
}
if (ident == TAG_IDENT_AVDP &&
@@ -749,7 +749,7 @@ udf_find_anchor(struct super_block *sb)
{
ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
udf_release_data(bh);
brelse(bh);
if (ident == TAG_IDENT_AVDP && location == 256)
UDF_SET_FLAG(sb, UDF_FLAG_VARCONV);
@@ -766,7 +766,7 @@ udf_find_anchor(struct super_block *sb)
}
else
{
udf_release_data(bh);
brelse(bh);
if ((ident != TAG_IDENT_AVDP) && (i ||
(ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE)))
{
@@ -795,7 +795,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr
return 1;
else if (ident != TAG_IDENT_FSD)
{
udf_release_data(bh);
brelse(bh);
return 1;
}
@@ -834,7 +834,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr
newfileset.logicalBlockNum += 1 +
((le32_to_cpu(sp->numOfBytes) + sizeof(struct spaceBitmapDesc) - 1)
>> sb->s_blocksize_bits);
udf_release_data(bh);
brelse(bh);
break;
}
case TAG_IDENT_FSD:
@@ -845,7 +845,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr
default:
{
newfileset.logicalBlockNum ++;
udf_release_data(bh);
brelse(bh);
bh = NULL;
break;
}
@@ -865,7 +865,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr
UDF_SB_PARTITION(sb) = fileset->partitionReferenceNum;
udf_load_fileset(sb, bh, root);
udf_release_data(bh);
brelse(bh);
return 0;
}
return 1;
@@ -1083,7 +1083,7 @@ udf_load_logicalvol(struct super_block *sb, struct buffer_head * bh, kernel_lb_a
if (ident != 0 ||
strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING)))
{
udf_release_data(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]);
brelse(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]);
UDF_SB_TYPESPAR(sb,i).s_spar_map[j] = NULL;
}
}
@@ -1137,12 +1137,12 @@ udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc)
udf_load_logicalvolint(sb, leea_to_cpu(UDF_SB_LVID(sb)->nextIntegrityExt));
if (UDF_SB_LVIDBH(sb) != bh)
udf_release_data(bh);
brelse(bh);
loc.extLength -= sb->s_blocksize;
loc.extLocation ++;
}
if (UDF_SB_LVIDBH(sb) != bh)
udf_release_data(bh);
brelse(bh);
}
/*
@@ -1245,7 +1245,7 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock, kernel_
done = 1;
break;
}
udf_release_data(bh);
brelse(bh);
}
for (i=0; i<VDS_POS_LENGTH; i++)
{
@@ -1267,10 +1267,10 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock, kernel_
gd = (struct generic_desc *)bh2->b_data;
if (ident == TAG_IDENT_PD)
udf_load_partdesc(sb, bh2);
udf_release_data(bh2);
brelse(bh2);
}
}
udf_release_data(bh);
brelse(bh);
}
}
@@ -1333,7 +1333,7 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
reserve_e = reserve_e >> sb->s_blocksize_bits;
reserve_e += reserve_s;
udf_release_data(bh);
brelse(bh);
/* Process the main & reserve sequences */
/* responsible for finding the PartitionDesc(s) */
@@ -1408,7 +1408,7 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
udf_ext0_offset(UDF_SB_VAT(sb));
UDF_SB_TYPEVIRT(sb,i).s_num_entries = (UDF_SB_VAT(sb)->i_size -
UDF_SB_TYPEVIRT(sb,i).s_start_offset) >> 2;
udf_release_data(bh);
brelse(bh);
}
UDF_SB_PARTROOT(sb,i) = udf_get_pblock(sb, 0, i, 0);
UDF_SB_PARTLEN(sb,i) = UDF_SB_PARTLEN(sb,ino.partitionReferenceNum);
@@ -1680,7 +1680,7 @@ error_out:
if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15)
{
for (i=0; i<4; i++)
udf_release_data(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
}
}
#ifdef CONFIG_UDF_NLS
@@ -1689,7 +1689,7 @@ error_out:
#endif
if (!(sb->s_flags & MS_RDONLY))
udf_close_lvid(sb);
udf_release_data(UDF_SB_LVIDBH(sb));
brelse(UDF_SB_LVIDBH(sb));
UDF_SB_FREE(sb);
kfree(sbi);
sb->s_fs_info = NULL;
@@ -1758,7 +1758,7 @@ udf_put_super(struct super_block *sb)
if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15)
{
for (i=0; i<4; i++)
udf_release_data(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
}
}
#ifdef CONFIG_UDF_NLS
@@ -1767,7 +1767,7 @@ udf_put_super(struct super_block *sb)
#endif
if (!(sb->s_flags & MS_RDONLY))
udf_close_lvid(sb);
udf_release_data(UDF_SB_LVIDBH(sb));
brelse(UDF_SB_LVIDBH(sb));
UDF_SB_FREE(sb);
kfree(sb->s_fs_info);
sb->s_fs_info = NULL;
@@ -1837,7 +1837,7 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
}
else if (ident != TAG_IDENT_SBD)
{
udf_release_data(bh);
brelse(bh);
printk(KERN_ERR "udf: udf_count_free failed\n");
goto out;
}
@@ -1859,7 +1859,7 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
}
if ( bytes )
{
udf_release_data(bh);
brelse(bh);
newblock = udf_get_lb_pblock(sb, loc, ++block);
bh = udf_tread(sb, newblock);
if (!bh)
@@ -1871,7 +1871,7 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
ptr = (uint8_t *)bh->b_data;
}
}
udf_release_data(bh);
brelse(bh);
out:
unlock_kernel();
@@ -1896,7 +1896,7 @@ udf_count_free_table(struct super_block *sb, struct inode * table)
while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1)
accum += (elen >> table->i_sb->s_blocksize_bits);
udf_release_data(epos.bh);
brelse(epos.bh);
unlock_kernel();