diff options
Diffstat (limited to 'source/a/efibootmgr/efibootmgr-0.5.4-support-4k-sectors.patch')
| -rw-r--r-- | source/a/efibootmgr/efibootmgr-0.5.4-support-4k-sectors.patch | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/source/a/efibootmgr/efibootmgr-0.5.4-support-4k-sectors.patch b/source/a/efibootmgr/efibootmgr-0.5.4-support-4k-sectors.patch deleted file mode 100644 index c380c6100..000000000 --- a/source/a/efibootmgr/efibootmgr-0.5.4-support-4k-sectors.patch +++ /dev/null @@ -1,176 +0,0 @@ -Return-Path: pjones@redhat.com
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-From: Peter Jones <pjones@redhat.com>
-To: Matt Domsch <Matt_Domsch@dell.com>
-Cc: Peter Jones <pjones@redhat.com>, Stuart Hayes <stuart_hayes@dell.com>
-Subject: [efibootmgr patch] Handle sector_size != 512.
-Date: Wed, 14 Jul 2010 14:26:49 -0400
-Message-Id: <1279132009-26635-1-git-send-email-pjones@redhat.com>
-In-Reply-To: <1279121617-17961-1-git-send-email-pjones@redhat.com>
-References: <1279121617-17961-1-git-send-email-pjones@redhat.com>
-X-Scanned-By: MIMEDefang 2.67 on 10.5.11.21
-
-Disks can have 4kB sectors now, so don't just bail out when that's the
-case.
----
- src/include/disk.h | 3 +++
- src/lib/disk.c | 43 +++++++++++++++++++++++++++++++++----------
- src/lib/gpt.c | 30 ++++++++++++++----------------
- 3 files changed, 50 insertions(+), 26 deletions(-)
-
-diff --git a/src/include/disk.h b/src/include/disk.h
-index eb93d10..8aa37d7 100644
---- a/src/include/disk.h
-+++ b/src/include/disk.h
-@@ -65,6 +65,9 @@ enum _interface_type {interface_type_unknown,
- ata, atapi, scsi, usb,
- i1394, fibre, i2o, md};
-
-+
-+unsigned int lcm(unsigned int x, unsigned int y);
-+
- int disk_get_pci(int fd,
- unsigned char *bus,
- unsigned char *device,
-diff --git a/src/lib/disk.c b/src/lib/disk.c
-index 883864f..9c3a878 100644
---- a/src/lib/disk.c
-+++ b/src/lib/disk.c
-@@ -420,6 +420,27 @@ get_sector_size(int filedes)
- return sector_size;
- }
-
-+/************************************************************
-+ * lcm
-+ * Requires:
-+ * - numbers of which to find the lowest common multiple
-+ * Modifies: nothing
-+ * Returns:
-+ * lowest common multiple of x and y
-+ ************************************************************/
-+unsigned int
-+lcm(unsigned int x, unsigned int y)
-+{
-+ unsigned int m = x, n = y, o;
-+
-+ while ((o = m % n)) {
-+ m = n;
-+ n = o;
-+ }
-+
-+ return (x / n) * y;
-+}
-+
- /**
- * disk_get_partition_info()
- * @fd - open file descriptor to disk
-@@ -442,26 +463,27 @@ disk_get_partition_info (int fd,
- uint8_t *mbr_type, uint8_t *signature_type)
- {
- legacy_mbr *mbr;
-- void *mbr_unaligned;
-+ void *mbr_sector;
-+ size_t mbr_size;
- off_t offset;
- int this_bytes_read = 0;
- int gpt_invalid=0, mbr_invalid=0;
- int rc=0;
- int sector_size = get_sector_size(fd);
-
-- if (sizeof(*mbr) != sector_size)
-- return 1;
-- mbr_unaligned = malloc(sizeof(*mbr)+sector_size-1);
-- mbr = (legacy_mbr *)
-- (((unsigned long)mbr_unaligned + sector_size - 1) &
-- ~(unsigned long)(sector_size-1));
-- memset(mbr, 0, sizeof(*mbr));
-+
-+ mbr_size = lcm(sizeof(*mbr), sector_size);
-+ if ((rc = posix_memalign(&mbr_sector, sector_size, mbr_size)) != 0)
-+ goto error;
-+ memset(mbr_sector, '\0', mbr_size);
-+
- offset = lseek(fd, 0, SEEK_SET);
-- this_bytes_read = read(fd, mbr, sizeof(*mbr));
-+ this_bytes_read = read(fd, mbr_sector, mbr_size);
- if (this_bytes_read < sizeof(*mbr)) {
- rc=1;
- goto error_free_mbr;
- }
-+ mbr = (legacy_mbr *)mbr_sector;
- gpt_invalid = gpt_disk_get_partition_info(fd, num,
- start, size,
- signature,
-@@ -479,7 +501,8 @@ disk_get_partition_info (int fd,
- }
- }
- error_free_mbr:
-- free(mbr_unaligned);
-+ free(mbr_sector);
-+ error:
- return rc;
- }
-
-diff --git a/src/lib/gpt.c b/src/lib/gpt.c
-index d90ddaf..83e7a94 100644
---- a/src/lib/gpt.c
-+++ b/src/lib/gpt.c
-@@ -215,26 +215,24 @@ read_lastoddsector(int fd, uint64_t lba, void *buffer, size_t count)
- static ssize_t
- read_lba(int fd, uint64_t lba, void *buffer, size_t bytes)
- {
-- int sector_size = get_sector_size(fd);
-- off_t offset = lba * sector_size;
-+ int sector_size = get_sector_size(fd);
-+ off_t offset = lba * sector_size;
- ssize_t bytesread;
-- void *aligned;
-- void *unaligned;
--
-- if (bytes % sector_size)
-- return EINVAL;
-+ void *iobuf;
-+ size_t iobuf_size;
-+ int rc;
-
-- unaligned = malloc(bytes+sector_size-1);
-- aligned = (void *)
-- (((unsigned long)unaligned + sector_size - 1) &
-- ~(unsigned long)(sector_size-1));
-- memset(aligned, 0, bytes);
-+ iobuf_size = lcm(bytes, sector_size);
-+ rc = posix_memalign(&iobuf, sector_size, iobuf_size);
-+ if (rc)
-+ return rc;
-+ memset(iobuf, 0, bytes);
-
-
-- lseek(fd, offset, SEEK_SET);
-- bytesread = read(fd, aligned, bytes);
-- memcpy(buffer, aligned, bytesread);
-- free(unaligned);
-+ lseek(fd, offset, SEEK_SET);
-+ bytesread = read(fd, iobuf, iobuf_size);
-+ memcpy(buffer, iobuf, bytes);
-+ free(iobuf);
-
- /* Kludge. This is necessary to read/write the last
- block of an odd-sized disk, until Linux 2.5.x kernel fixes.
---
-1.7.1.1
-
|