[PATCH 3/6] UDF cleanup and fixes
From: Jan Kara
Date: Tue Mar 06 2007 - 11:42:45 EST
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@xxxxxxx>
diff -rupX /home/jack/.kerndiffexclude linux-2.6.20-2-udf_extent_position_t/fs/udf/balloc.c linux-2.6.20-3-udf_buffer_handling/fs/udf/balloc.c
--- linux-2.6.20-2-udf_extent_position_t/fs/udf/balloc.c 2007-02-22 14:52:17.000000000 +0100
+++ linux-2.6.20-3-udf_buffer_handling/fs/udf/balloc.c 2007-03-06 16:38:05.000000000 +0100
@@ -508,8 +508,8 @@ static void udf_table_free_blocks(struct
{
i = -1;
oepos.block = epos.block;
- udf_release_data(oepos.bh);
- atomic_inc(&epos.bh->b_count);
+ brelse(oepos.bh);
+ get_bh(epos.bh);
oepos.bh = epos.bh;
oepos.offset = 0;
}
@@ -546,8 +546,8 @@ static void udf_table_free_blocks(struct
adsize = sizeof(long_ad);
else
{
- udf_release_data(oepos.bh);
- udf_release_data(epos.bh);
+ brelse(oepos.bh);
+ brelse(epos.bh);
goto error_return;
}
@@ -556,7 +556,7 @@ static void udf_table_free_blocks(struct
char *sptr, *dptr;
int loffset;
- udf_release_data(oepos.bh);
+ brelse(oepos.bh);
oepos = epos;
/* Steal a block from the extent being free'd */
@@ -567,7 +567,7 @@ static void udf_table_free_blocks(struct
if (!(epos.bh = udf_tread(sb,
udf_get_lb_pblock(sb, epos.block, 0))))
{
- udf_release_data(oepos.bh);
+ brelse(oepos.bh);
goto error_return;
}
aed = (struct allocExtDesc *)(epos.bh->b_data);
@@ -658,8 +658,8 @@ static void udf_table_free_blocks(struct
}
}
- udf_release_data(epos.bh);
- udf_release_data(oepos.bh);
+ brelse(epos.bh);
+ brelse(oepos.bh);
error_return:
sb->s_dirt = 1;
@@ -723,7 +723,7 @@ static int udf_table_prealloc_blocks(str
else
alloc_count = 0;
- udf_release_data(epos.bh);
+ brelse(epos.bh);
if (alloc_count && UDF_SB_LVIDBH(sb))
{
@@ -789,9 +789,9 @@ static int udf_table_new_block(struct su
spread = nspread;
if (goal_epos.bh != epos.bh)
{
- udf_release_data(goal_epos.bh);
+ brelse(goal_epos.bh);
goal_epos.bh = epos.bh;
- atomic_inc(&goal_epos.bh->b_count);
+ get_bh(goal_epos.bh);
}
goal_epos.block = epos.block;
goal_epos.offset = epos.offset - adsize;
@@ -800,11 +800,11 @@ static int udf_table_new_block(struct su
}
}
- udf_release_data(epos.bh);
+ brelse(epos.bh);
if (spread == 0xFFFFFFFF)
{
- udf_release_data(goal_epos.bh);
+ brelse(goal_epos.bh);
mutex_unlock(&sbi->s_alloc_mutex);
return 0;
}
@@ -820,7 +820,7 @@ static int udf_table_new_block(struct su
if (inode && DQUOT_ALLOC_BLOCK(inode, 1))
{
- udf_release_data(goal_epos.bh);
+ brelse(goal_epos.bh);
mutex_unlock(&sbi->s_alloc_mutex);
*err = -EDQUOT;
return 0;
@@ -830,7 +830,7 @@ static int udf_table_new_block(struct su
udf_write_aext(table, &goal_epos, goal_eloc, goal_elen, 1);
else
udf_delete_aext(table, goal_epos, goal_eloc, goal_elen);
- udf_release_data(goal_epos.bh);
+ brelse(goal_epos.bh);
if (UDF_SB_LVIDBH(sb))
{
@@ -915,11 +915,14 @@ inline int udf_new_block(struct super_bl
struct inode * inode,
uint16_t partition, uint32_t goal, int *err)
{
+ int ret;
+
if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP)
{
- return udf_bitmap_new_block(sb, inode,
+ ret = udf_bitmap_new_block(sb, inode,
UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
partition, goal, err);
+ return ret;
}
else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE)
{
diff -rupX /home/jack/.kerndiffexclude linux-2.6.20-2-udf_extent_position_t/fs/udf/dir.c linux-2.6.20-3-udf_buffer_handling/fs/udf/dir.c
--- linux-2.6.20-2-udf_extent_position_t/fs/udf/dir.c 2007-02-22 14:52:17.000000000 +0100
+++ linux-2.6.20-3-udf_buffer_handling/fs/udf/dir.c 2007-02-22 14:57:59.000000000 +0100
@@ -144,7 +144,7 @@ do_udf_readdir(struct inode * dir, struc
if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block)))
{
- udf_release_data(epos.bh);
+ brelse(epos.bh);
return -EIO;
}
@@ -172,7 +172,7 @@ do_udf_readdir(struct inode * dir, struc
}
else
{
- udf_release_data(epos.bh);
+ brelse(epos.bh);
return -ENOENT;
}
@@ -185,9 +185,9 @@ do_udf_readdir(struct inode * dir, struc
if (!fi)
{
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
- udf_release_data(epos.bh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
+ brelse(epos.bh);
return 0;
}
@@ -245,9 +245,9 @@ do_udf_readdir(struct inode * dir, struc
if (filldir(dirent, fname, flen, filp->f_pos, iblock, dt_type) < 0)
{
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
- udf_release_data(epos.bh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
+ brelse(epos.bh);
return 0;
}
}
@@ -256,9 +256,9 @@ do_udf_readdir(struct inode * dir, struc
filp->f_pos = nf_pos + 1;
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
- udf_release_data(epos.bh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
+ brelse(epos.bh);
return 0;
}
diff -rupX /home/jack/.kerndiffexclude linux-2.6.20-2-udf_extent_position_t/fs/udf/directory.c linux-2.6.20-3-udf_buffer_handling/fs/udf/directory.c
--- linux-2.6.20-2-udf_extent_position_t/fs/udf/directory.c 2007-02-22 14:52:17.000000000 +0100
+++ linux-2.6.20-3-udf_buffer_handling/fs/udf/directory.c 2007-02-22 14:57:59.000000000 +0100
@@ -36,14 +36,14 @@ udf_filead_read(struct inode *dir, uint8
if (!ad)
{
- udf_release_data(*bh);
+ brelse(*bh);
*error = 1;
return NULL;
}
if (*offset == dir->i_sb->s_blocksize)
{
- udf_release_data(*bh);
+ brelse(*bh);
block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos);
if (!block)
return NULL;
@@ -57,7 +57,7 @@ udf_filead_read(struct inode *dir, uint8
remainder = dir->i_sb->s_blocksize - loffset;
memcpy((uint8_t *)ad, (*bh)->b_data + loffset, remainder);
- udf_release_data(*bh);
+ brelse(*bh);
block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos);
if (!block)
return NULL;
@@ -120,7 +120,7 @@ udf_fileident_read(struct inode *dir, lo
else
epos->offset = lextoffset;
- udf_release_data(fibh->sbh);
+ brelse(fibh->sbh);
if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block)))
return NULL;
fibh->soffset = fibh->eoffset = 0;
@@ -149,7 +149,7 @@ udf_fileident_read(struct inode *dir, lo
}
else if (fibh->sbh != fibh->ebh)
{
- udf_release_data(fibh->sbh);
+ brelse(fibh->sbh);
fibh->sbh = fibh->ebh;
}
diff -rupX /home/jack/.kerndiffexclude linux-2.6.20-2-udf_extent_position_t/fs/udf/inode.c linux-2.6.20-3-udf_buffer_handling/fs/udf/inode.c
--- linux-2.6.20-2-udf_extent_position_t/fs/udf/inode.c 2007-02-22 14:52:17.000000000 +0100
+++ linux-2.6.20-3-udf_buffer_handling/fs/udf/inode.c 2007-02-22 14:57:59.000000000 +0100
@@ -247,7 +247,7 @@ struct buffer_head * udf_expand_dir_adin
sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, NULL, NULL);
if (!sfi)
{
- udf_release_data(dbh);
+ brelse(dbh);
return NULL;
}
UDF_I_ALLOCTYPE(inode) = alloctype;
@@ -259,7 +259,7 @@ struct buffer_head * udf_expand_dir_adin
sfi->fileIdent + le16_to_cpu(sfi->lengthOfImpUse)))
{
UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
- udf_release_data(dbh);
+ brelse(dbh);
return NULL;
}
}
@@ -277,7 +277,7 @@ struct buffer_head * udf_expand_dir_adin
udf_add_aext(inode, &epos, eloc, elen, 0);
/* UniqueID stuff */
- udf_release_data(epos.bh);
+ brelse(epos.bh);
mark_inode_dirty(inode);
return dbh;
}
@@ -386,14 +386,14 @@ static struct buffer_head * inode_getblk
{
if (prev_epos.bh != cur_epos.bh)
{
- udf_release_data(prev_epos.bh);
- atomic_inc(&cur_epos.bh->b_count);
+ brelse(prev_epos.bh);
+ get_bh(cur_epos.bh);
prev_epos.bh = cur_epos.bh;
}
if (cur_epos.bh != next_epos.bh)
{
- udf_release_data(cur_epos.bh);
- atomic_inc(&next_epos.bh->b_count);
+ brelse(cur_epos.bh);
+ get_bh(next_epos.bh);
cur_epos.bh = next_epos.bh;
}
@@ -436,9 +436,9 @@ static struct buffer_head * inode_getblk
~(inode->i_sb->s_blocksize - 1));
etype = udf_write_aext(inode, &cur_epos, eloc, elen, 1);
}
- udf_release_data(prev_epos.bh);
- udf_release_data(cur_epos.bh);
- udf_release_data(next_epos.bh);
+ brelse(prev_epos.bh);
+ brelse(cur_epos.bh);
+ brelse(next_epos.bh);
newblock = udf_get_lb_pblock(inode->i_sb, eloc, offset);
*phys = newblock;
return NULL;
@@ -492,8 +492,8 @@ static struct buffer_head * inode_getblk
else
lastblock = 1;
}
- udf_release_data(cur_epos.bh);
- udf_release_data(next_epos.bh);
+ brelse(cur_epos.bh);
+ brelse(next_epos.bh);
/* if the current extent is not recorded but allocated, get the
block in the extent corresponding to the requested block */
@@ -513,7 +513,7 @@ static struct buffer_head * inode_getblk
if (!(newblocknum = udf_new_block(inode->i_sb, inode,
UDF_I_LOCATION(inode).partitionReferenceNum, goal, err)))
{
- udf_release_data(prev_epos.bh);
+ brelse(prev_epos.bh);
*err = -ENOSPC;
return NULL;
}
@@ -538,7 +538,7 @@ static struct buffer_head * inode_getblk
the new number of extents is less than the old number */
udf_update_extents(inode, laarr, startnum, endnum, &prev_epos);
- udf_release_data(prev_epos.bh);
+ brelse(prev_epos.bh);
if (!(newblock = udf_get_pblock(inode->i_sb, newblocknum,
UDF_I_LOCATION(inode).partitionReferenceNum, 0)))
@@ -934,7 +934,7 @@ __udf_read_inode(struct inode *inode)
{
printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed ident=%d\n",
inode->i_ino, ident);
- udf_release_data(bh);
+ brelse(bh);
make_bad_inode(inode);
return;
}
@@ -963,35 +963,35 @@ __udf_read_inode(struct inode *inode)
ident == TAG_IDENT_EFE)
{
memcpy(&UDF_I_LOCATION(inode), &loc, sizeof(kernel_lb_addr));
- udf_release_data(bh);
- udf_release_data(ibh);
- udf_release_data(nbh);
+ brelse(bh);
+ brelse(ibh);
+ brelse(nbh);
__udf_read_inode(inode);
return;
}
else
{
- udf_release_data(nbh);
- udf_release_data(ibh);
+ brelse(nbh);
+ brelse(ibh);
}
}
else
- udf_release_data(ibh);
+ brelse(ibh);
}
}
else
- udf_release_data(ibh);
+ brelse(ibh);
}
else if (le16_to_cpu(fe->icbTag.strategyType) != 4)
{
printk(KERN_ERR "udf: unsupported strategy type: %d\n",
le16_to_cpu(fe->icbTag.strategyType));
- udf_release_data(bh);
+ brelse(bh);
make_bad_inode(inode);
return;
}
udf_fill_inode(inode, bh);
- udf_release_data(bh);
+ brelse(bh);
}
static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
@@ -1334,7 +1334,7 @@ udf_update_inode(struct inode *inode, in
use->descTag.tagChecksum += ((uint8_t *)&(use->descTag))[i];
mark_buffer_dirty(bh);
- udf_release_data(bh);
+ brelse(bh);
return err;
}
@@ -1523,7 +1523,7 @@ udf_update_inode(struct inode *inode, in
err = -EIO;
}
}
- udf_release_data(bh);
+ brelse(bh);
return err;
}
@@ -1670,7 +1670,7 @@ int8_t udf_add_aext(struct inode *inode,
else
udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc));
mark_buffer_dirty_inode(epos->bh, inode);
- udf_release_data(epos->bh);
+ brelse(epos->bh);
}
else
mark_inode_dirty(inode);
@@ -1761,7 +1761,7 @@ int8_t udf_next_aext(struct inode *inode
{
epos->block = *eloc;
epos->offset = sizeof(struct allocExtDesc);
- udf_release_data(epos->bh);
+ brelse(epos->bh);
if (!(epos->bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, epos->block, 0))))
{
udf_debug("reading block %d failed!\n",
@@ -1841,7 +1841,7 @@ udf_insert_aext(struct inode *inode, str
int8_t etype;
if (epos.bh)
- atomic_inc(&epos.bh->b_count);
+ get_bh(epos.bh);
while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1)
{
@@ -1851,7 +1851,7 @@ udf_insert_aext(struct inode *inode, str
nelen = (etype << 30) | oelen;
}
udf_add_aext(inode, &epos, neloc, nelen, 1);
- udf_release_data(epos.bh);
+ brelse(epos.bh);
return (nelen >> 30);
}
@@ -1865,8 +1865,8 @@ int8_t udf_delete_aext(struct inode *ino
if (epos.bh)
{
- atomic_inc(&epos.bh->b_count);
- atomic_inc(&epos.bh->b_count);
+ get_bh(epos.bh);
+ get_bh(epos.bh);
}
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT)
@@ -1886,8 +1886,8 @@ int8_t udf_delete_aext(struct inode *ino
if (oepos.bh != epos.bh)
{
oepos.block = epos.block;
- udf_release_data(oepos.bh);
- atomic_inc(&epos.bh->b_count);
+ brelse(oepos.bh);
+ get_bh(epos.bh);
oepos.bh = epos.bh;
oepos.offset = epos.offset - adsize;
}
@@ -1938,8 +1938,8 @@ int8_t udf_delete_aext(struct inode *ino
}
}
- udf_release_data(epos.bh);
- udf_release_data(oepos.bh);
+ brelse(epos.bh);
+ brelse(oepos.bh);
return (elen >> 30);
}
@@ -1992,7 +1992,7 @@ long udf_block_map(struct inode *inode,
ret = 0;
unlock_kernel();
- udf_release_data(epos.bh);
+ brelse(epos.bh);
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_VARCONV))
return udf_fixed_to_variable(ret);
diff -rupX /home/jack/.kerndiffexclude linux-2.6.20-2-udf_extent_position_t/fs/udf/misc.c linux-2.6.20-3-udf_buffer_handling/fs/udf/misc.c
--- linux-2.6.20-2-udf_extent_position_t/fs/udf/misc.c 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.20-3-udf_buffer_handling/fs/udf/misc.c 2007-02-22 14:57:59.000000000 +0100
@@ -274,12 +274,6 @@ udf_read_ptagged(struct super_block *sb,
loc.logicalBlockNum + offset, ident);
}
-void udf_release_data(struct buffer_head *bh)
-{
- if (bh)
- brelse(bh);
-}
-
void udf_update_tag(char *data, int length)
{
tag *tptr = (tag *)data;
diff -rupX /home/jack/.kerndiffexclude linux-2.6.20-2-udf_extent_position_t/fs/udf/namei.c linux-2.6.20-3-udf_buffer_handling/fs/udf/namei.c
--- linux-2.6.20-2-udf_extent_position_t/fs/udf/namei.c 2007-02-22 14:52:17.000000000 +0100
+++ linux-2.6.20-3-udf_buffer_handling/fs/udf/namei.c 2007-02-22 14:57:59.000000000 +0100
@@ -182,13 +182,13 @@ udf_find_entry(struct inode *dir, struct
if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block)))
{
- udf_release_data(epos.bh);
+ brelse(epos.bh);
return NULL;
}
}
else
{
- udf_release_data(epos.bh);
+ brelse(epos.bh);
return NULL;
}
@@ -199,9 +199,9 @@ udf_find_entry(struct inode *dir, struct
if (!fi)
{
if (fibh->sbh != fibh->ebh)
- udf_release_data(fibh->ebh);
- udf_release_data(fibh->sbh);
- udf_release_data(epos.bh);
+ brelse(fibh->ebh);
+ brelse(fibh->sbh);
+ brelse(epos.bh);
return NULL;
}
@@ -247,15 +247,15 @@ udf_find_entry(struct inode *dir, struct
{
if (udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name))
{
- udf_release_data(epos.bh);
+ brelse(epos.bh);
return fi;
}
}
}
if (fibh->sbh != fibh->ebh)
- udf_release_data(fibh->ebh);
- udf_release_data(fibh->sbh);
- udf_release_data(epos.bh);
+ brelse(fibh->ebh);
+ brelse(fibh->sbh);
+ brelse(epos.bh);
return NULL;
}
@@ -321,8 +321,8 @@ udf_lookup(struct inode *dir, struct den
if (udf_find_entry(dir, dentry, &fibh, &cfi))
{
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
inode = udf_iget(dir->i_sb, lelb_to_cpu(cfi.icb.extLocation));
if ( !inode )
@@ -400,7 +400,7 @@ udf_add_entry(struct inode *dir, struct
if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block)))
{
- udf_release_data(epos.bh);
+ brelse(epos.bh);
*err = -EIO;
return NULL;
}
@@ -423,9 +423,9 @@ udf_add_entry(struct inode *dir, struct
if (!fi)
{
if (fibh->sbh != fibh->ebh)
- udf_release_data(fibh->ebh);
- udf_release_data(fibh->sbh);
- udf_release_data(epos.bh);
+ brelse(fibh->ebh);
+ brelse(fibh->sbh);
+ brelse(epos.bh);
*err = -EIO;
return NULL;
}
@@ -455,7 +455,7 @@ udf_add_entry(struct inode *dir, struct
{
if (((sizeof(struct fileIdentDesc) + liu + lfi + 3) & ~3) == nfidlen)
{
- udf_release_data(epos.bh);
+ brelse(epos.bh);
cfi->descTag.tagSerialNum = cpu_to_le16(1);
cfi->fileVersionNum = cpu_to_le16(1);
cfi->fileCharacteristics = 0;
@@ -478,9 +478,9 @@ udf_add_entry(struct inode *dir, struct
udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name))
{
if (fibh->sbh != fibh->ebh)
- udf_release_data(fibh->ebh);
- udf_release_data(fibh->sbh);
- udf_release_data(epos.bh);
+ brelse(fibh->ebh);
+ brelse(fibh->sbh);
+ brelse(epos.bh);
*err = -EEXIST;
return NULL;
}
@@ -492,14 +492,14 @@ add:
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB &&
sb->s_blocksize - fibh->eoffset < nfidlen)
{
- udf_release_data(epos.bh);
+ brelse(epos.bh);
epos.bh = NULL;
fibh->soffset -= udf_ext0_offset(dir);
fibh->eoffset -= udf_ext0_offset(dir);
f_pos -= (udf_ext0_offset(dir) >> 2);
if (fibh->sbh != fibh->ebh)
- udf_release_data(fibh->ebh);
- udf_release_data(fibh->sbh);
+ brelse(fibh->ebh);
+ brelse(fibh->sbh);
if (!(fibh->sbh = fibh->ebh = udf_expand_dir_adinicb(dir, &block, err)))
return NULL;
epos.block = UDF_I_LOCATION(dir);
@@ -519,7 +519,7 @@ add:
fibh->eoffset += nfidlen;
if (fibh->sbh != fibh->ebh)
{
- udf_release_data(fibh->sbh);
+ brelse(fibh->sbh);
fibh->sbh = fibh->ebh;
}
@@ -541,7 +541,7 @@ add:
fibh->eoffset += nfidlen - sb->s_blocksize;
if (fibh->sbh != fibh->ebh)
{
- udf_release_data(fibh->sbh);
+ brelse(fibh->sbh);
fibh->sbh = fibh->ebh;
}
@@ -550,8 +550,8 @@ add:
if (!(fibh->ebh = udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 1, err)))
{
- udf_release_data(epos.bh);
- udf_release_data(fibh->sbh);
+ brelse(epos.bh);
+ brelse(fibh->sbh);
return NULL;
}
@@ -566,7 +566,7 @@ add:
else
block ++;
- udf_release_data(fibh->sbh);
+ brelse(fibh->sbh);
fibh->sbh = fibh->ebh;
fi = (struct fileIdentDesc *)(fibh->sbh->b_data);
}
@@ -587,7 +587,7 @@ add:
cfi->lengthOfImpUse = cpu_to_le16(0);
if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name))
{
- udf_release_data(epos.bh);
+ brelse(epos.bh);
dir->i_size += nfidlen;
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
UDF_I_LENALLOC(dir) += nfidlen;
@@ -596,10 +596,10 @@ add:
}
else
{
- udf_release_data(epos.bh);
+ brelse(epos.bh);
if (fibh->sbh != fibh->ebh)
- udf_release_data(fibh->ebh);
- udf_release_data(fibh->sbh);
+ brelse(fibh->ebh);
+ brelse(fibh->sbh);
*err = -EIO;
return NULL;
}
@@ -656,8 +656,8 @@ static int udf_create(struct inode *dir,
mark_inode_dirty(dir);
}
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
unlock_kernel();
d_instantiate(dentry, inode);
return 0;
@@ -701,8 +701,8 @@ static int udf_mknod(struct inode * dir,
mark_inode_dirty(inode);
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
d_instantiate(dentry, inode);
err = 0;
out:
@@ -743,7 +743,7 @@ static int udf_mkdir(struct inode * dir,
cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL);
cfi.fileCharacteristics = FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT;
udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL);
- udf_release_data(fibh.sbh);
+ brelse(fibh.sbh);
inode->i_mode = S_IFDIR | mode;
if (dir->i_mode & S_ISGID)
inode->i_mode |= S_ISGID;
@@ -766,8 +766,8 @@ static int udf_mkdir(struct inode * dir,
mark_inode_dirty(dir);
d_instantiate(dentry, inode);
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
err = 0;
out:
unlock_kernel();
@@ -808,13 +808,13 @@ static int empty_dir(struct inode *dir)
if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block)))
{
- udf_release_data(epos.bh);
+ brelse(epos.bh);
return 0;
}
}
else
{
- udf_release_data(epos.bh);
+ brelse(epos.bh);
return 0;
}
@@ -826,25 +826,25 @@ static int empty_dir(struct inode *dir)
if (!fi)
{
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
- udf_release_data(epos.bh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
+ brelse(epos.bh);
return 0;
}
if (cfi.lengthFileIdent && (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0)
{
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
- udf_release_data(epos.bh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
+ brelse(epos.bh);
return 0;
}
}
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
- udf_release_data(epos.bh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
+ brelse(epos.bh);
return 1;
}
@@ -884,8 +884,8 @@ static int udf_rmdir(struct inode * dir,
end_rmdir:
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
out:
unlock_kernel();
return retval;
@@ -928,8 +928,8 @@ static int udf_unlink(struct inode * dir
end_unlink:
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
out:
unlock_kernel();
return retval;
@@ -977,7 +977,7 @@ static int udf_symlink(struct inode * di
elen = inode->i_sb->s_blocksize;
UDF_I_LENEXTENTS(inode) = elen;
udf_add_aext(inode, &epos, eloc, elen, 0);
- udf_release_data(epos.bh);
+ brelse(epos.bh);
block = udf_get_pblock(inode->i_sb, block,
UDF_I_LOCATION(inode).partitionReferenceNum, 0);
@@ -1060,7 +1060,7 @@ static int udf_symlink(struct inode * di
}
}
- udf_release_data(epos.bh);
+ brelse(epos.bh);
inode->i_size = elen;
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
UDF_I_LENALLOC(inode) = inode->i_size;
@@ -1089,8 +1089,8 @@ static int udf_symlink(struct inode * di
mark_inode_dirty(dir);
}
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
d_instantiate(dentry, inode);
err = 0;
@@ -1145,8 +1145,8 @@ static int udf_link(struct dentry * old_
mark_inode_dirty(dir);
}
if (fibh.sbh != fibh.ebh)
- udf_release_data(fibh.ebh);
- udf_release_data(fibh.sbh);
+ brelse(fibh.ebh);
+ brelse(fibh.sbh);
inc_nlink(inode);
inode->i_ctime = current_fs_time(inode->i_sb);
mark_inode_dirty(inode);
@@ -1174,8 +1174,8 @@ static int udf_rename (struct inode * ol
if ((ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi)))
{
if (ofibh.sbh != ofibh.ebh)
- udf_release_data(ofibh.ebh);
- udf_release_data(ofibh.sbh);
+ brelse(ofibh.ebh);
+ brelse(ofibh.sbh);
}
tloc = lelb_to_cpu(ocfi.icb.extLocation);
if (!ofi || udf_get_lb_pblock(old_dir->i_sb, tloc, 0)
@@ -1188,8 +1188,8 @@ static int udf_rename (struct inode * ol
if (!new_inode)
{
if (nfibh.sbh != nfibh.ebh)
- udf_release_data(nfibh.ebh);
- udf_release_data(nfibh.sbh);
+ brelse(nfibh.ebh);
+ brelse(nfibh.sbh);
nfi = NULL;
}
}
@@ -1290,19 +1290,19 @@ static int udf_rename (struct inode * ol
if (ofi)
{
if (ofibh.sbh != ofibh.ebh)
- udf_release_data(ofibh.ebh);
- udf_release_data(ofibh.sbh);
+ brelse(ofibh.ebh);
+ brelse(ofibh.sbh);
}
retval = 0;
end_rename:
- udf_release_data(dir_bh);
+ brelse(dir_bh);
if (nfi)
{
if (nfibh.sbh != nfibh.ebh)
- udf_release_data(nfibh.ebh);
- udf_release_data(nfibh.sbh);
+ brelse(nfibh.ebh);
+ brelse(nfibh.sbh);
}
unlock_kernel();
return retval;
diff -rupX /home/jack/.kerndiffexclude linux-2.6.20-2-udf_extent_position_t/fs/udf/partition.c linux-2.6.20-3-udf_buffer_handling/fs/udf/partition.c
--- linux-2.6.20-2-udf_extent_position_t/fs/udf/partition.c 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.20-3-udf_buffer_handling/fs/udf/partition.c 2007-02-22 14:57:59.000000000 +0100
@@ -81,7 +81,7 @@ uint32_t udf_get_pblock_virt15(struct su
loc = le32_to_cpu(((__le32 *)bh->b_data)[index]);
- udf_release_data(bh);
+ brelse(bh);
if (UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum == partition)
{
diff -rupX /home/jack/.kerndiffexclude linux-2.6.20-2-udf_extent_position_t/fs/udf/super.c linux-2.6.20-3-udf_buffer_handling/fs/udf/super.c
--- linux-2.6.20-2-udf_extent_position_t/fs/udf/super.c 2007-02-22 14:52:17.000000000 +0100
+++ linux-2.6.20-3-udf_buffer_handling/fs/udf/super.c 2007-02-22 14:57:59.000000000 +0100
@@ -565,7 +565,7 @@ udf_vrs(struct super_block *sb, int sile
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))
@@ -598,7 +598,7 @@ udf_vrs(struct super_block *sb, int sile
}
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))
@@ -609,7 +609,7 @@ udf_vrs(struct super_block *sb, int sile
{
nsr03 = sector;
}
- udf_release_data(bh);
+ brelse(bh);
}
if (nsr03)
@@ -675,7 +675,7 @@ 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)
@@ -710,7 +710,7 @@ 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 &&
@@ -729,7 +729,7 @@ 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 &&
@@ -751,7 +751,7 @@ 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);
@@ -768,7 +768,7 @@ 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)))
{
@@ -797,7 +797,7 @@ udf_find_fileset(struct super_block *sb,
return 1;
else if (ident != TAG_IDENT_FSD)
{
- udf_release_data(bh);
+ brelse(bh);
return 1;
}
@@ -836,7 +836,7 @@ udf_find_fileset(struct super_block *sb,
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:
@@ -847,7 +847,7 @@ udf_find_fileset(struct super_block *sb,
default:
{
newfileset.logicalBlockNum ++;
- udf_release_data(bh);
+ brelse(bh);
bh = NULL;
break;
}
@@ -867,7 +867,7 @@ udf_find_fileset(struct super_block *sb,
UDF_SB_PARTITION(sb) = fileset->partitionReferenceNum;
udf_load_fileset(sb, bh, root);
- udf_release_data(bh);
+ brelse(bh);
return 0;
}
return 1;
@@ -1085,7 +1085,7 @@ udf_load_logicalvol(struct super_block *
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;
}
}
@@ -1139,12 +1139,12 @@ udf_load_logicalvolint(struct super_bloc
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);
}
/*
@@ -1247,7 +1247,7 @@ udf_process_sequence(struct super_block
done = 1;
break;
}
- udf_release_data(bh);
+ brelse(bh);
}
for (i=0; i<VDS_POS_LENGTH; i++)
{
@@ -1269,10 +1269,10 @@ udf_process_sequence(struct super_block
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);
}
}
@@ -1335,7 +1335,7 @@ udf_load_partition(struct super_block *s
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) */
@@ -1410,7 +1410,7 @@ udf_load_partition(struct super_block *s
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);
@@ -1682,7 +1682,7 @@ 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
@@ -1691,7 +1691,7 @@ 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;
@@ -1760,7 +1760,7 @@ 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
@@ -1769,7 +1769,7 @@ 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;
@@ -1839,7 +1839,7 @@ udf_count_free_bitmap(struct super_block
}
else if (ident != TAG_IDENT_SBD)
{
- udf_release_data(bh);
+ brelse(bh);
printk(KERN_ERR "udf: udf_count_free failed\n");
goto out;
}
@@ -1861,7 +1861,7 @@ udf_count_free_bitmap(struct super_block
}
if ( bytes )
{
- udf_release_data(bh);
+ brelse(bh);
newblock = udf_get_lb_pblock(sb, loc, ++block);
bh = udf_tread(sb, newblock);
if (!bh)
@@ -1873,7 +1873,7 @@ udf_count_free_bitmap(struct super_block
ptr = (uint8_t *)bh->b_data;
}
}
- udf_release_data(bh);
+ brelse(bh);
out:
unlock_kernel();
@@ -1898,7 +1898,7 @@ udf_count_free_table(struct super_block
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();
diff -rupX /home/jack/.kerndiffexclude linux-2.6.20-2-udf_extent_position_t/fs/udf/symlink.c linux-2.6.20-3-udf_buffer_handling/fs/udf/symlink.c
--- linux-2.6.20-2-udf_extent_position_t/fs/udf/symlink.c 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.20-3-udf_buffer_handling/fs/udf/symlink.c 2007-02-22 14:57:59.000000000 +0100
@@ -95,7 +95,7 @@ static int udf_symlink_filler(struct fil
}
udf_pc_to_char(inode->i_sb, symlink, inode->i_size, p);
- udf_release_data(bh);
+ brelse(bh);
unlock_kernel();
SetPageUptodate(page);
diff -rupX /home/jack/.kerndiffexclude linux-2.6.20-2-udf_extent_position_t/fs/udf/truncate.c linux-2.6.20-3-udf_buffer_handling/fs/udf/truncate.c
--- linux-2.6.20-2-udf_extent_position_t/fs/udf/truncate.c 2007-03-06 15:02:06.000000000 +0100
+++ linux-2.6.20-3-udf_buffer_handling/fs/udf/truncate.c 2007-03-06 15:02:33.000000000 +0100
@@ -119,7 +119,7 @@ void udf_discard_prealloc(struct inode *
}
UDF_I_LENEXTENTS(inode) = lbcount;
- udf_release_data(epos.bh);
+ brelse(epos.bh);
}
void udf_truncate_extents(struct inode * inode)
@@ -287,5 +287,5 @@ void udf_truncate_extents(struct inode *
}
UDF_I_LENEXTENTS(inode) = inode->i_size;
- udf_release_data(epos.bh);
+ brelse(epos.bh);
}
diff -rupX /home/jack/.kerndiffexclude linux-2.6.20-2-udf_extent_position_t/fs/udf/udfdecl.h linux-2.6.20-3-udf_buffer_handling/fs/udf/udfdecl.h
--- linux-2.6.20-2-udf_extent_position_t/fs/udf/udfdecl.h 2007-02-22 14:52:17.000000000 +0100
+++ linux-2.6.20-3-udf_buffer_handling/fs/udf/udfdecl.h 2007-02-26 17:13:47.000000000 +0100
@@ -106,6 +106,7 @@ extern void udf_delete_inode(struct inod
extern void udf_clear_inode(struct inode *);
extern int udf_write_inode(struct inode *, int);
extern long udf_block_map(struct inode *, sector_t);
+extern int udf_extend_file(struct inode *, struct extent_position *, kernel_long_ad *, sector_t);
extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *);
extern int8_t udf_add_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int);
extern int8_t udf_write_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int);
@@ -120,7 +121,6 @@ extern struct genericFormat *udf_add_ext
extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, uint8_t);
extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, uint32_t, uint16_t *);
extern struct buffer_head *udf_read_ptagged(struct super_block *, kernel_lb_addr, uint32_t, uint16_t *);
-extern void udf_release_data(struct buffer_head *);
extern void udf_update_tag(char *, int);
extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
diff -rupX /home/jack/.kerndiffexclude linux-2.6.20-2-udf_extent_position_t/fs/udf/udf_sb.h linux-2.6.20-3-udf_buffer_handling/fs/udf/udf_sb.h
--- linux-2.6.20-2-udf_extent_position_t/fs/udf/udf_sb.h 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.20-3-udf_buffer_handling/fs/udf/udf_sb.h 2007-02-22 14:57:59.000000000 +0100
@@ -93,7 +93,7 @@ static inline struct udf_sb_info *UDF_SB
for (i=0; i<nr_groups; i++)\
{\
if (UDF_SB_BITMAP(X,Y,Z,i))\
- udf_release_data(UDF_SB_BITMAP(X,Y,Z,i));\
+ brelse(UDF_SB_BITMAP(X,Y,Z,i));\
}\
if (size <= PAGE_SIZE)\
kfree(UDF_SB_PARTMAPS(X)[Y].Z.s_bitmap);\
-
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