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ext fs debugging

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git-svn-id: svn://kolibrios.org@6774 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
pathoswithin 2016-11-30 17:27:25 +00:00
parent aa39838a11
commit bb2b6bba8c
1 changed files with 25 additions and 13 deletions
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38
kernel/trunk/fs/ext.inc
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@ -366,13 +366,13 @@ extfsExtentFree:
jc .fail
pop eax
push ecx ebx edx
add [ebp+EXTFS.superblock.blocksFree], ecx
mov edi, eax
shr edi, 5
shl edi, 2
add edi, ebx
and eax, 31
mov edx, ecx
and eax, 31
jz .aligned
mov ecx, 32
sub ecx, eax
sub edx, ecx
@ -387,15 +387,15 @@ extfsExtentFree:
shl ebx, cl
not ebx
and [edi], ebx
mov ecx, edx
jecxz @f
shr ecx, 5
add edi, 4
xor eax, eax
.aligned:
mov ecx, edx
shr ecx, 5
rep stosd
and edx, 31
jz @f
mov ecx, edx
jecxz @f
not eax
shl eax, cl
and [edi], eax
@ -404,6 +404,7 @@ extfsExtentFree:
call extfsWriteBlock
pop ecx
mov eax, ecx
add [ebp+EXTFS.superblock.blocksFree], ecx
mul [ebp+EXTFS.sectorsPerBlock]
sub [ebp+EXTFS.inodeBuffer.sectorsUsed], eax
.ret:
@ -429,6 +430,8 @@ extfsInodeAlloc:
.test_block_group:
call extfsReadDescriptor
jc .fail
cmp [ebx+BGDESCR.blocksFree], 0
jz .next
dec [ebx+BGDESCR.inodesFree]
js .next
mov edx, [ebx+BGDESCR.inodeBitmap]
@ -522,22 +525,23 @@ extfsExtentAlloc:
not eax
shr eax, cl
shl eax, cl
bsf ebx, eax
jnz @f
mov ebx, 32
@@:
bsf ebx, eax
sub ebx, ecx
mov eax, [esp+16]
cmp ebx, eax
jc @f
mov ebx, eax
@@:
xchg ebx, ecx
or eax, -1
cmp ebx, 32
jz @f
xchg ebx, ecx
shl eax, cl
not eax
xchg ebx, ecx
shl eax, cl
@@:
or [esi], eax
sub esi, [ebp+EXTFS.tempBlockBuffer]
shl esi, 3
@ -589,8 +593,9 @@ extfsExtentAlloc:
or eax, -1
rep stosd
mov ecx, ebx
shl eax, cl
not eax
neg ecx
add ecx, 32
shr eax, cl
or [edi], eax
.done:
pop eax
@ -821,6 +826,13 @@ writeInode:
add eax, 978307200
mov [edi+INODE.inodeModified], eax
pop eax
cmp eax, ROOT_INODE
jnz @f
movzx ecx, [ebp+EXTFS.superblock.inodeSize]
mov esi, edi
mov edi, [ebp+EXTFS.rootInodeBuffer]
rep movsb
@@:
call getInodeLocation
jc .ret
mov ebx, [ebp+EXTFS.tempBlockBuffer]
@ -829,10 +841,10 @@ writeInode:
test eax, eax
jnz @f
mov eax, ecx
mov esi, edi
movzx ecx, [ebp+EXTFS.superblock.inodeSize]
mov edi, edx
add edi, ebx
mov esi, [esp]
rep movsb
call fs_write32_sys
.ret: