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authorEd Bartosh <ed.bartosh@linux.intel.com>2017-02-10 12:10:22 +0200
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-02-15 20:06:45 -0800
commitd5f42cad0ce148aa55c09ce5369202736d6dd639 (patch)
tree9bf41eeaa2c5de6ea412108904fee1a7289197b3
parent77dc8e6ef3f51c6de0a4086cf4dedd454099ff35 (diff)
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wic: direct: add 'realnum' attribute to partition
Replaced call of _get_part_num method with an attribute. This eliminates the need to call the method and loop over partitions every time we need to know realnum for partition. (From OE-Core rev: 96a26b6ddf22346dafa06b00816579439e98445f) Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r--scripts/lib/wic/plugins/imager/direct.py46
1 files changed, 20 insertions, 26 deletions
diff --git a/scripts/lib/wic/plugins/imager/direct.py b/scripts/lib/wic/plugins/imager/direct.py
index d0a1cad43b..ffe6c8406d 100644
--- a/scripts/lib/wic/plugins/imager/direct.py
+++ b/scripts/lib/wic/plugins/imager/direct.py
@@ -74,6 +74,19 @@ class DirectPlugin(ImagerPlugin):
self.ptable_format = self.ks.bootloader.ptable
self.parts = self.ks.partitions
+ # calculate the real partition number, accounting for partitions not
+ # in the partition table and logical partitions
+ realnum = 0
+ for part in self.parts:
+ if part.no_table:
+ part.realnum = 0
+ else:
+ realnum += 1
+ if self.ptable_format == 'msdos' and realnum > 3:
+ part.realnum = realnum + 1
+ continue
+ part.realnum = realnum
+
def do_create(self):
"""
Plugin entry point.
@@ -86,22 +99,6 @@ class DirectPlugin(ImagerPlugin):
finally:
self.cleanup()
- def _get_part_num(self, num, parts):
- """calculate the real partition number, accounting for partitions not
- in the partition table and logical partitions
- """
- realnum = 0
- for pnum, part in enumerate(parts, 1):
- if not part.no_table:
- realnum += 1
- if pnum == num:
- if part.no_table:
- return 0
- if self.ptable_format == 'msdos' and realnum > 3:
- # account for logical partition numbering, ex. sda5..
- return realnum + 1
- return realnum
-
def _write_fstab(self, image_rootfs):
"""overriden to generate fstab (temporarily) in rootfs. This is called
from _create, make sure it doesn't get called from
@@ -128,15 +125,14 @@ class DirectPlugin(ImagerPlugin):
def _update_fstab(self, fstab_lines, parts):
"""Assume partition order same as in wks"""
updated = False
- for num, part in enumerate(parts, 1):
- pnum = self._get_part_num(num, parts)
- if not pnum or not part.mountpoint \
+ for part in parts:
+ if not part.realnum or not part.mountpoint \
or part.mountpoint in ("/", "/boot"):
continue
# mmc device partitions are named mmcblk0p1, mmcblk0p2..
prefix = 'p' if part.disk.startswith('mmcblk') else ''
- device_name = "/dev/%s%s%d" % (part.disk, prefix, pnum)
+ device_name = "/dev/%s%s%d" % (part.disk, prefix, part.realnum)
opts = part.fsopts if part.fsopts else "defaults"
line = "\t".join([device_name, part.mountpoint, part.fstype,
@@ -164,7 +160,7 @@ class DirectPlugin(ImagerPlugin):
self._image = PartitionedImage(image_path, self.ptable_format,
self.native_sysroot)
- for num, part in enumerate(self.parts, 1):
+ for part in self.parts:
# as a convenience, set source to the boot partition source
# instead of forcing it to be set via bootloader --source
if not self.ks.bootloader.source and part.mountpoint == "/boot":
@@ -175,8 +171,7 @@ class DirectPlugin(ImagerPlugin):
if self.ptable_format == 'gpt':
part.uuid = str(uuid.uuid4())
else: # msdos partition table
- part.uuid = '%0x-%02d' % (self._image.identifier,
- self._get_part_num(num, self.parts))
+ part.uuid = '%0x-%02d' % (self._image.identifier, part.realnum)
fstab_path = self._write_fstab(self.rootfs_dir.get("ROOTFS_DIR"))
@@ -277,14 +272,13 @@ class DirectPlugin(ImagerPlugin):
Assume partition order same as in wks
"""
- for num, part in enumerate(self.parts, 1):
+ for part in self.parts:
if part.mountpoint == "/":
if part.uuid:
return "PARTUUID=%s" % part.uuid
else:
suffix = 'p' if part.disk.startswith('mmcblk') else ''
- pnum = self._get_part_num(num, self.parts)
- return "/dev/%s%s%-d" % (part.disk, suffix, pnum)
+ return "/dev/%s%s%-d" % (part.disk, suffix, part.realnum)
def cleanup(self):
if self._image: