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overlay: getdents: support lseek

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Refs: #1421
Change-Id: Ife7ab1b50159a5897552ff695bb001ada27ec934
This commit is contained in:
Masamichi Takagi
2019-11-13 15:51:20 +09:00
parent 7fc4272b89
commit 3c256e1a6c
5 changed files with 667 additions and 75 deletions
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179
test/issues/1421/result_x86_64.txt Normal file
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cc 1421.c -o 1421
===== getdents count: 40
/work/gg10/e29005/project/os/install/bin/mcexec ./1421 /sys/devices/system/node 40
--------------- nread=24 ---------------
i-node# file type d_reclen d_off d_name
61145 directory 24 24 .
at end of getdents: lseek 24
--------------- nread=24 ---------------
i-node# file type d_reclen d_off d_name
46533 directory 24 48 ..
at end of getdents: lseek 48
--------------- nread=32 ---------------
i-node# file type d_reclen d_off d_name
61156 directory 32 80 node0
at end of getdents: lseek 80
--------------- nread=32 ---------------
i-node# file type d_reclen d_off d_name
61148 directory 32 112 node1
at end of getdents: lseek 112
--------------- nread=32 ---------------
i-node# file type d_reclen d_off d_name
61147 regular 32 144 possible
at end of getdents: lseek 144
--------------- nread=32 ---------------
i-node# file type d_reclen d_off d_name
61146 regular 32 176 online
at end of getdents: lseek 176
--------------- nread=32 ---------------
i-node# file type d_reclen d_off d_name
18112 directory 32 208 power
at end of getdents: lseek 208
--------------- nread=32 ---------------
i-node# file type d_reclen d_off d_name
18106 regular 32 240 uevent
at end of getdents: lseek 240
lseek to 0: lseek 0
[ OK ] EINVAL for too small count
--------------- nread=24 ---------------
i-node# file type d_reclen d_off d_name
61145 directory 24 24 .
at end of getdents: lseek 24
lseek to 24: lseek 24
[ OK ] EINVAL for too small count
--------------- nread=24 ---------------
i-node# file type d_reclen d_off d_name
46533 directory 24 48 ..
at end of getdents: lseek 48
lseek to 48: lseek 48
[ OK ] EINVAL for too small count
--------------- nread=32 ---------------
i-node# file type d_reclen d_off d_name
61156 directory 32 80 node0
at end of getdents: lseek 80
lseek to 80: lseek 80
[ OK ] EINVAL for too small count
--------------- nread=32 ---------------
i-node# file type d_reclen d_off d_name
61148 directory 32 112 node1
at end of getdents: lseek 112
lseek to 112: lseek 112
[ OK ] EINVAL for too small count
--------------- nread=32 ---------------
i-node# file type d_reclen d_off d_name
61147 regular 32 144 possible
at end of getdents: lseek 144
lseek to 144: lseek 144
[ OK ] EINVAL for too small count
--------------- nread=32 ---------------
i-node# file type d_reclen d_off d_name
61146 regular 32 176 online
at end of getdents: lseek 176
lseek to 176: lseek 176
[ OK ] EINVAL for too small count
--------------- nread=32 ---------------
i-node# file type d_reclen d_off d_name
18112 directory 32 208 power
at end of getdents: lseek 208
lseek to 208: lseek 208
[ OK ] EINVAL for too small count
--------------- nread=32 ---------------
i-node# file type d_reclen d_off d_name
18106 regular 32 240 uevent
at end of getdents: lseek 240
lseek to 240: lseek 240
--------------- nread=0 (EOF) ---------
at end of getdents: lseek 240
===== getdents count: 200
/work/gg10/e29005/project/os/install/bin/mcexec ./1421 /sys/devices/system/node 200
--------------- nread=176 ---------------
i-node# file type d_reclen d_off d_name
61145 directory 24 24 .
46533 directory 24 48 ..
61156 directory 32 80 node0
61148 directory 32 112 node1
61147 regular 32 144 possible
61146 regular 32 176 online
at end of getdents: lseek 176
--------------- nread=64 ---------------
i-node# file type d_reclen d_off d_name
18112 directory 32 208 power
18106 regular 32 240 uevent
at end of getdents: lseek 240
lseek to 0: lseek 0
[ OK ] EINVAL for too small count
--------------- nread=176 ---------------
i-node# file type d_reclen d_off d_name
61145 directory 24 24 .
46533 directory 24 48 ..
61156 directory 32 80 node0
61148 directory 32 112 node1
61147 regular 32 144 possible
61146 regular 32 176 online
at end of getdents: lseek 176
lseek to 24: lseek 24
[ OK ] EINVAL for too small count
--------------- nread=184 ---------------
i-node# file type d_reclen d_off d_name
46533 directory 24 48 ..
61156 directory 32 80 node0
61148 directory 32 112 node1
61147 regular 32 144 possible
61146 regular 32 176 online
18112 directory 32 208 power
at end of getdents: lseek 208
lseek to 48: lseek 48
[ OK ] EINVAL for too small count
--------------- nread=192 ---------------
i-node# file type d_reclen d_off d_name
61156 directory 32 80 node0
61148 directory 32 112 node1
61147 regular 32 144 possible
61146 regular 32 176 online
18112 directory 32 208 power
18106 regular 32 240 uevent
at end of getdents: lseek 240
lseek to 80: lseek 80
[ OK ] EINVAL for too small count
--------------- nread=160 ---------------
i-node# file type d_reclen d_off d_name
61148 directory 32 112 node1
61147 regular 32 144 possible
61146 regular 32 176 online
18112 directory 32 208 power
18106 regular 32 240 uevent
at end of getdents: lseek 240
lseek to 112: lseek 112
[ OK ] EINVAL for too small count
--------------- nread=128 ---------------
i-node# file type d_reclen d_off d_name
61147 regular 32 144 possible
61146 regular 32 176 online
18112 directory 32 208 power
18106 regular 32 240 uevent
at end of getdents: lseek 240
lseek to 144: lseek 144
[ OK ] EINVAL for too small count
--------------- nread=96 ---------------
i-node# file type d_reclen d_off d_name
61146 regular 32 176 online
18112 directory 32 208 power
18106 regular 32 240 uevent
at end of getdents: lseek 240
lseek to 176: lseek 176
[ OK ] EINVAL for too small count
--------------- nread=64 ---------------
i-node# file type d_reclen d_off d_name
18112 directory 32 208 power
18106 regular 32 240 uevent
at end of getdents: lseek 240
lseek to 208: lseek 208
[ OK ] EINVAL for too small count
--------------- nread=32 ---------------
i-node# file type d_reclen d_off d_name
18106 regular 32 240 uevent
at end of getdents: lseek 240
lseek to 240: lseek 240
--------------- nread=0 (EOF) ---------
at end of getdents: lseek 240