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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-27 16:21:40 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-27 16:21:40 -0400 |
commit | 91d41fdf31f74e6e2e5f3cb018eca4200e36e202 (patch) | |
tree | 81ef11f06bd8047031a2d93706dc263fa1bacd56 /include/linux/kernel.h | |
parent | c1095c6da518b0b64e724f629051fa67655cd8d9 (diff) | |
parent | 277c5f27a2c86a9a733c0ec0f6a9b1032dfa3e15 (diff) |
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: Convert to DIV_ROUND_UP_SECTOR_T usage for sectors / dev_max_sectors
kernel.h: Add DIV_ROUND_UP_ULL and DIV_ROUND_UP_SECTOR_T macro usage
iscsi-target: Add iSCSI fabric support for target v4.1
iscsi: Add Serial Number Arithmetic LT and GT into iscsi_proto.h
iscsi: Use struct scsi_lun in iscsi structs instead of u8[8]
iscsi: Resolve iscsi_proto.h naming conflicts with drivers/target/iscsi
Diffstat (limited to 'include/linux/kernel.h')
-rw-r--r-- | include/linux/kernel.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 9a43ad792cfc..46ac9a50528d 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h | |||
@@ -56,6 +56,14 @@ | |||
56 | 56 | ||
57 | #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f)) | 57 | #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f)) |
58 | #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) | 58 | #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) |
59 | #define DIV_ROUND_UP_ULL(ll,d) \ | ||
60 | ({ unsigned long long _tmp = (ll)+(d)-1; do_div(_tmp, d); _tmp; }) | ||
61 | |||
62 | #if BITS_PER_LONG == 32 | ||
63 | # define DIV_ROUND_UP_SECTOR_T(ll,d) DIV_ROUND_UP_ULL(ll, d) | ||
64 | #else | ||
65 | # define DIV_ROUND_UP_SECTOR_T(ll,d) DIV_ROUND_UP(ll,d) | ||
66 | #endif | ||
59 | 67 | ||
60 | /* The `const' in roundup() prevents gcc-3.3 from calling __divdi3 */ | 68 | /* The `const' in roundup() prevents gcc-3.3 from calling __divdi3 */ |
61 | #define roundup(x, y) ( \ | 69 | #define roundup(x, y) ( \ |