The patch titled
udf: move calculating of nr_groups into helper function
has been added to the -mm tree. Its filename is
udf-move-calculating-of-nr_groups-into-helper-function.patch
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------------------------------------------------------
Subject: udf: move calculating of nr_groups into helper function
From: Marcin Slusarz <marcin.slusarz@xxxxxxxxx>
Signed-off-by: Marcin Slusarz <marcin.slusarz@xxxxxxxxx>
Cc: Ben Fennema <bfennema@xxxxxxxxxxxxxxxxxxxxxx>
Acked-by: Jan Kara <jack@xxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/udf/balloc.c | 4 +---
fs/udf/super.c | 16 ++++++++++------
fs/udf/udf_sb.h | 2 ++
3 files changed, 13 insertions(+), 9 deletions(-)
diff -puN fs/udf/balloc.c~udf-move-calculating-of-nr_groups-into-helper-function fs/udf/balloc.c
--- a/fs/udf/balloc.c~udf-move-calculating-of-nr_groups-into-helper-function
+++ a/fs/udf/balloc.c
@@ -231,9 +231,7 @@ static int udf_bitmap_prealloc_blocks(st
block_count = part_len - first_block;
repeat:
- nr_groups = (sbi->s_partmaps[partition].s_partition_len +
- (sizeof(struct spaceBitmapDesc) << 3) +
- (sb->s_blocksize * 8) - 1) / (sb->s_blocksize * 8);
+ nr_groups = udf_compute_nr_groups(sb, partition);
block = first_block + (sizeof(struct spaceBitmapDesc) << 3);
block_group = block >> (sb->s_blocksize_bits + 3);
group_start = block_group ? 0 : sizeof(struct spaceBitmapDesc);
diff -puN fs/udf/super.c~udf-move-calculating-of-nr_groups-into-helper-function fs/udf/super.c
--- a/fs/udf/super.c~udf-move-calculating-of-nr_groups-into-helper-function
+++ a/fs/udf/super.c
@@ -937,18 +937,22 @@ static void udf_load_fileset(struct supe
root->logicalBlockNum, root->partitionReferenceNum);
}
+int udf_compute_nr_groups(struct super_block *sb, u32 partition)
+{
+ struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
+ return (map->s_partition_len +
+ (sizeof(struct spaceBitmapDesc) << 3) +
+ (sb->s_blocksize * 8) - 1) /
+ (sb->s_blocksize * 8);
+}
+
static struct udf_bitmap *udf_sb_alloc_bitmap(struct super_block *sb, u32 index)
{
- struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[index];
struct udf_bitmap *bitmap;
int nr_groups;
int size;
- /* TODO: move calculating of nr_groups into helper function */
- nr_groups = (map->s_partition_len +
- (sizeof(struct spaceBitmapDesc) << 3) +
- (sb->s_blocksize * 8) - 1) /
- (sb->s_blocksize * 8);
+ nr_groups = udf_compute_nr_groups(sb, index);
size = sizeof(struct udf_bitmap) +
(sizeof(struct buffer_head *) * nr_groups);
diff -puN fs/udf/udf_sb.h~udf-move-calculating-of-nr_groups-into-helper-function fs/udf/udf_sb.h
--- a/fs/udf/udf_sb.h~udf-move-calculating-of-nr_groups-into-helper-function
+++ a/fs/udf/udf_sb.h
@@ -43,6 +43,8 @@ static inline struct udf_sb_info *UDF_SB
struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi);
+int udf_compute_nr_groups(struct super_block *sb, u32 partition);
+
#define UDF_QUERY_FLAG(X,Y) ( UDF_SB(X)->s_flags & ( 1 << (Y) ) )
#define UDF_SET_FLAG(X,Y) ( UDF_SB(X)->s_flags |= ( 1 << (Y) ) )
#define UDF_CLEAR_FLAG(X,Y) ( UDF_SB(X)->s_flags &= ~( 1 << (Y) ) )
_
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-fix-3-signedness-1-unitialized-variable-warnings.patch
udf-fix-signedness-issue.patch
-
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