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Commit 0c2fd1bf authored by Akinobu Mita's avatar Akinobu Mita Committed by Linus Torvalds
Browse files

reiserfs: use proper little-endian bitops 



Using __test_and_{set,clear}_bit_le() with ignoring its return value can
be replaced with __{set,clear}_bit_le().

This introduces reiserfs_{set,clear}_le_bit for __{set,clear}_bit_le and
does the above change with them.

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 29df8d8f

fs/reiserfs/bitmap.c

+1 −1
Original line number Diff line number Diff line
@@ -214,7 +214,7 @@ static int scan_bitmap_block(struct reiserfs_transaction_handle *th, 
					}

					/* otherwise we clear all bit were set ... */

					while (--i >= *beg)

						reiserfs_test_and_clear_le_bit

						reiserfs_clear_le_bit

						    (i, bh->b_data);

					reiserfs_restore_prepared_buffer(s, bh);

					*beg = org;

fs/reiserfs/resize.c

+3 −3
Original line number Diff line number Diff line
@@ -136,7 +136,7 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new) 
				return -EIO;

			}

			memset(bh->b_data, 0, sb_blocksize(sb));

			reiserfs_test_and_set_le_bit(0, bh->b_data);

			reiserfs_set_le_bit(0, bh->b_data);

			reiserfs_cache_bitmap_metadata(s, bh, bitmap + i);



			set_buffer_uptodate(bh);
@@ -172,7 +172,7 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new) 


	reiserfs_prepare_for_journal(s, bh, 1);

	for (i = block_r; i < s->s_blocksize * 8; i++)

		reiserfs_test_and_clear_le_bit(i, bh->b_data);

		reiserfs_clear_le_bit(i, bh->b_data);

	info->free_count += s->s_blocksize * 8 - block_r;



	journal_mark_dirty(&th, s, bh);
@@ -190,7 +190,7 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new) 


	reiserfs_prepare_for_journal(s, bh, 1);

	for (i = block_r_new; i < s->s_blocksize * 8; i++)

		reiserfs_test_and_set_le_bit(i, bh->b_data);

		reiserfs_set_le_bit(i, bh->b_data);

	journal_mark_dirty(&th, s, bh);

	brelse(bh);

include/linux/reiserfs_fs.h

+2 −0
Original line number Diff line number Diff line
@@ -2332,7 +2332,9 @@ __u32 keyed_hash(const signed char *msg, int len); 
__u32 yura_hash(const signed char *msg, int len);

__u32 r5_hash(const signed char *msg, int len);



#define reiserfs_set_le_bit		__set_bit_le

#define reiserfs_test_and_set_le_bit	__test_and_set_bit_le

#define reiserfs_clear_le_bit		__clear_bit_le

#define reiserfs_test_and_clear_le_bit	__test_and_clear_bit_le

#define reiserfs_test_le_bit		test_bit_le

#define reiserfs_find_next_zero_le_bit	find_next_zero_bit_le