The patch titled
udf: improve readability of do_udf_readdir
has been removed from the -mm tree. Its filename was
udf-improve-readability-of-do_udf_readdir.patch
This patch was dropped because Marcin's changes killed it
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: udf: improve readability of do_udf_readdir
From: Marcin Slusarz <marcin.slusarz@xxxxxxxxx>
make reading do_udf_readdir easier by adding new variable
Signed-off-by: Marcin Slusarz <marcin.slusarz@xxxxxxxxx>
Cc: Ben Fennema <bfennema@xxxxxxxxxxxxxxxxxxxxxx>
Acked-by: Jan Kara <jack@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/udf/dir.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff -puN fs/udf/dir.c~udf-improve-readability-of-do_udf_readdir fs/udf/dir.c
--- a/fs/udf/dir.c~udf-improve-readability-of-do_udf_readdir
+++ a/fs/udf/dir.c
@@ -57,6 +57,7 @@ static int do_udf_readdir(struct inode *
int i, num;
unsigned int dt_type;
struct extent_position epos = { NULL, 0, {0, 0} };
+ unsigned char bits;
if (nf_pos >= size)
return 0;
@@ -65,12 +66,14 @@ static int do_udf_readdir(struct inode *
nf_pos = (udf_ext0_offset(dir) >> 2);
fibh.soffset = fibh.eoffset = (nf_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
+ bits = dir->i_sb->s_blocksize_bits;
+
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
fibh.sbh = fibh.ebh = NULL;
- } else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2),
+ } else if (inode_bmap(dir, nf_pos >> (bits - 2),
&epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
- if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
+ if ((++offset << bits) < elen) {
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
epos.offset -= sizeof(short_ad);
else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
@@ -84,10 +87,10 @@ static int do_udf_readdir(struct inode *
return -EIO;
}
- if (!(offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) {
- i = 16 >> (dir->i_sb->s_blocksize_bits - 9);
- if (i + offset > (elen >> dir->i_sb->s_blocksize_bits))
- i = (elen >> dir->i_sb->s_blocksize_bits) - offset;
+ if (!(offset & ((16 >> (bits - 9)) - 1))) {
+ i = 16 >> (bits - 9);
+ if (i + offset > (elen >> bits))
+ i = (elen >> bits) - offset;
for (num = 0; i > 0; i--) {
block = udf_get_lb_pblock(dir->i_sb, eloc, offset + i);
tmp = udf_tgetblk(dir->i_sb, block);
_
Patches currently in -mm which might be from marcin.slusarz@xxxxxxxxx are
git-alsa.patch
git-ocfs2.patch
ehci-hcd-fix-sparse-warning-about-shadowing-status-symbol-checkpatch-fixes.patch
vgacon-fix-sparse-warning-about-shadowing-i-symbol.patch
fbcon-fix-sparse-warning-about-shadowing-p-symbol.patch
fbcon-fix-sparse-warning-about-shadowing-rotate-symbol.patch
byteorder-move-le32_add_cpu-friends-from-ocfs2-to-core.patch
ext3-replace-all-adds-to-little-endians-variables-with-le_add_cpu.patch
xfs-convert-bex_add-to-bex_add_cpu-new-common-api.patch
udf-fix-coding-style-of-superc.patch
udf-remove-some-ugly-macros.patch
udf-convert-udf_sb_alloc_partmaps-macro-to-udf_sb_alloc_partition_maps-function.patch
udf-check-if-udf_load_logicalvol-failed.patch
udf-convert-macros-related-to-bitmaps-to-functions.patch
udf-move-calculating-of-nr_groups-into-helper-function.patch
udf-fix-sparse-warnings-shadowing-mismatch-between-declaration-and-definition.patch
udf-fix-coding-style.patch
udf-create-common-function-for-tag-checksumming.patch
udf-create-common-function-for-changing-free-space-counter.patch
udf-replace-loops-coded-with-goto-to-real-loops.patch
udf-convert-byte-order-of-constant-instead-of-variable.patch
udf-remove-udf_i_-macros-and-open-code-them.patch
udf-cache-struct-udf_inode_info.patch
udf-fix-udf_debug-macro.patch
udf-improve-readability-of-udf_load_partition.patch
udf-remove-wrong-prototype-of-udf_readdir.patch
udf-improve-readability-of-do_udf_readdir.patch
udf-fix-coding-style-of-dirc.patch
udf-fix-3-signedness-1-unitialized-variable-warnings.patch
udf-fix-signedness-issue.patch
-
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