[PATCH] bitops: use non atomic operations for minix_*_bit() and ext2_*_bit()

Bitmap functions for the minix filesystem and the ext2 filesystem except
ext2_set_bit_atomic() and ext2_clear_bit_atomic() do not require the atomic
guarantees.

But these are defined by using atomic bit operations on several architectures.
 (cris, frv, h8300, ia64, m32r, m68k, m68knommu, mips, s390, sh, sh64, sparc,
sparc64, v850, and xtensa)

This patch switches to non atomic bit operation.

Signed-off-by: Akinobu Mita <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Akinobu Mita 2006-03-26 01:39:05 -08:00 • committed by Linus Torvalds
commit 67b0ad574b
15 changed files with 60 additions and 72 deletions

View file

@ -476,9 +476,9 @@ found_middle:
}
/* Bitmap functions for the minix filesystem. */
#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr)
#define minix_set_bit(nr,addr) set_bit(nr,addr)
#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr)
#define minix_test_and_set_bit(nr,addr) __test_and_set_bit(nr,addr)
#define minix_set_bit(nr,addr) __set_bit(nr,addr)
#define minix_test_and_clear_bit(nr,addr) __test_and_clear_bit(nr,addr)
#define minix_test_bit(nr,addr) test_bit(nr,addr)
#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size)