UDF: introduce struct extent_position
Introduce a structure extent_position to store a position of an extent and
the corresponding buffer_head in one place.
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>
diff --git a/fs/udf/directory.c b/fs/udf/directory.c
index 024ccac..9f66cfe 100644
--- a/fs/udf/directory.c
+++ b/fs/udf/directory.c
@@ -75,9 +75,9 @@
udf_fileident_read(struct inode *dir, loff_t *nf_pos,
struct udf_fileident_bh *fibh,
struct fileIdentDesc *cfi,
- kernel_lb_addr *bloc, uint32_t *extoffset,
+ struct extent_position *epos,
kernel_lb_addr *eloc, uint32_t *elen,
- sector_t *offset, struct buffer_head **bh)
+ sector_t *offset)
{
struct fileIdentDesc *fi;
int i, num, block;
@@ -105,13 +105,11 @@
if (fibh->eoffset == dir->i_sb->s_blocksize)
{
- int lextoffset = *extoffset;
+ int lextoffset = epos->offset;
- if (udf_next_aext(dir, bloc, extoffset, eloc, elen, bh, 1) !=
+ if (udf_next_aext(dir, epos, eloc, elen, 1) !=
(EXT_RECORDED_ALLOCATED >> 30))
- {
return NULL;
- }
block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset);
@@ -120,7 +118,7 @@
if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen)
*offset = 0;
else
- *extoffset = lextoffset;
+ epos->offset = lextoffset;
udf_release_data(fibh->sbh);
if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block)))
@@ -169,13 +167,11 @@
}
else if (fibh->eoffset > dir->i_sb->s_blocksize)
{
- int lextoffset = *extoffset;
+ int lextoffset = epos->offset;
- if (udf_next_aext(dir, bloc, extoffset, eloc, elen, bh, 1) !=
+ if (udf_next_aext(dir, epos, eloc, elen, 1) !=
(EXT_RECORDED_ALLOCATED >> 30))
- {
return NULL;
- }
block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset);
@@ -184,7 +180,7 @@
if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen)
*offset = 0;
else
- *extoffset = lextoffset;
+ epos->offset = lextoffset;
fibh->soffset -= dir->i_sb->s_blocksize;
fibh->eoffset -= dir->i_sb->s_blocksize;