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nfs4: Add support for O_TRUNC mode

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This commit is contained in:
Pawel Dziepak
2012-06-29 02:15:09 +02:00
parent 86d2cab33f
commit 38e721106d
1 changed files with 23 additions and 6 deletions
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src/add-ons/kernel/file_systems/nfs4/Inode.cpp
+23 -6
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@@ -727,13 +727,20 @@ Inode::Create(const char* name, int mode, int perms, OpenFileCookie* cookie,
req.PutFH(fParentFH);
AttrValue cattr;
cattr.fAttribute = FATTR4_MODE;
cattr.fFreePointer = false;
cattr.fData.fValue32 = perms;
AttrValue cattr[2];
uint32 i = 0;
if ((mode & O_TRUNC) == O_TRUNC) {
cattr[i].fAttribute = FATTR4_SIZE;
cattr[i].fFreePointer = false;
cattr[i].fData.fValue64 = 0;
i++;
}
cattr[i].fAttribute = FATTR4_MODE;
cattr[i].fFreePointer = false;
cattr[i].fData.fValue32 = perms;
req.Open(CLAIM_NULL, cookie->fSequence++, sModeToAccess(mode),
cookie->fClientId, OPEN4_CREATE, cookie->fOwnerId, name, &cattr,
1, mode & O_EXCL == O_EXCL);
cookie->fClientId, OPEN4_CREATE, cookie->fOwnerId, name, cattr,
i + 1, (mode & O_EXCL) == O_EXCL);
req.GetFH();
@@ -845,6 +852,16 @@ Inode::Open(int mode, OpenFileCookie* cookie)
cookie->fOwnerId = atomic_add64(&cookie->fLastOwnerId, 1);
req.PutFH(fParentFH);
if ((mode & O_TRUNC) == O_TRUNC) {
AttrValue attr;
attr.fAttribute = FATTR4_SIZE;
attr.fFreePointer = false;
attr.fData.fValue64 = 0;
req.Open(CLAIM_NULL, cookie->fSequence++, sModeToAccess(mode),
cookie->fClientId, OPEN4_CREATE, cookie->fOwnerId, fName, &attr,
1, false);
} else
req.Open(CLAIM_NULL, cookie->fSequence++, sModeToAccess(mode),
cookie->fClientId, OPEN4_NOCREATE, cookie->fOwnerId, fName);