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Code Issues Releases Activity

Assert Giant is held by the caller rather than getting it and releasing

Browse Source 
it in getpages/putpages.
This commit is contained in:
John Baldwin 2001-05-23 22:26:05 +00:00
parent 8aa66068ed
commit ce70e0a964
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=77086
2 changed files with 4 additions and 20 deletions
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12
sys/nfs/nfs_bio.c
View File

@ -118,6 +118,7 @@ nfs_getpages(ap)
pages = ap->a_m;
count = ap->a_count;
mtx_assert(&Giant, MA_OWNED);
if (vp->v_object == NULL) {
printf("nfs_getpages: called with non-merged cache vnode??\n");
return VM_PAGER_ERROR;
@ -126,9 +127,7 @@ nfs_getpages(ap)
if ((nmp->nm_flag & NFSMNT_NFSV3) != 0 &&
(nmp->nm_state & NFSSTA_GOTFSINFO) == 0) {
mtx_unlock(&vm_mtx);
mtx_lock(&Giant);
(void)nfs_fsinfo(nmp, vp, cred, p);
mtx_unlock(&Giant);
mtx_lock(&vm_mtx);
}
@ -174,9 +173,7 @@ nfs_getpages(ap)
uio.uio_procp = p;
mtx_unlock(&vm_mtx);
mtx_lock(&Giant);
error = nfs_readrpc(vp, &uio, cred);
mtx_unlock(&Giant);
mtx_lock(&vm_mtx);
pmap_qremove(kva, npages);
@ -288,12 +285,11 @@ nfs_putpages(ap)
npages = btoc(count);
offset = IDX_TO_OFF(pages[0]->pindex);
mtx_assert(&Giant, MA_OWNED);
if ((nmp->nm_flag & NFSMNT_NFSV3) != 0 &&
(nmp->nm_state & NFSSTA_GOTFSINFO) == 0) {
mtx_unlock(&vm_mtx);
mtx_lock(&Giant);
(void)nfs_fsinfo(nmp, vp, cred, p);
mtx_unlock(&Giant);
mtx_lock(&vm_mtx);
}
@ -336,9 +332,7 @@ nfs_putpages(ap)
iomode = NFSV3WRITE_FILESYNC;
mtx_unlock(&vm_mtx);
mtx_lock(&Giant);
error = nfs_writerpc(vp, &uio, cred, &iomode, &must_commit);
mtx_unlock(&Giant);
mtx_lock(&vm_mtx);
pmap_qremove(kva, npages);
@ -352,9 +346,7 @@ nfs_putpages(ap)
}
if (must_commit) {
mtx_unlock(&vm_mtx);
mtx_lock(&Giant);
nfs_clearcommit(vp->v_mount);
mtx_unlock(&Giant);
mtx_lock(&vm_mtx);
}
}

12
sys/nfsclient/nfs_bio.c
View File

@ -118,6 +118,7 @@ nfs_getpages(ap)
pages = ap->a_m;
count = ap->a_count;
mtx_assert(&Giant, MA_OWNED);
if (vp->v_object == NULL) {
printf("nfs_getpages: called with non-merged cache vnode??\n");
return VM_PAGER_ERROR;
@ -126,9 +127,7 @@ nfs_getpages(ap)
if ((nmp->nm_flag & NFSMNT_NFSV3) != 0 &&
(nmp->nm_state & NFSSTA_GOTFSINFO) == 0) {
mtx_unlock(&vm_mtx);
mtx_lock(&Giant);
(void)nfs_fsinfo(nmp, vp, cred, p);
mtx_unlock(&Giant);
mtx_lock(&vm_mtx);
}
@ -174,9 +173,7 @@ nfs_getpages(ap)
uio.uio_procp = p;
mtx_unlock(&vm_mtx);
mtx_lock(&Giant);
error = nfs_readrpc(vp, &uio, cred);
mtx_unlock(&Giant);
mtx_lock(&vm_mtx);
pmap_qremove(kva, npages);
@ -288,12 +285,11 @@ nfs_putpages(ap)
npages = btoc(count);
offset = IDX_TO_OFF(pages[0]->pindex);
mtx_assert(&Giant, MA_OWNED);
if ((nmp->nm_flag & NFSMNT_NFSV3) != 0 &&
(nmp->nm_state & NFSSTA_GOTFSINFO) == 0) {
mtx_unlock(&vm_mtx);
mtx_lock(&Giant);
(void)nfs_fsinfo(nmp, vp, cred, p);
mtx_unlock(&Giant);
mtx_lock(&vm_mtx);
}
@ -336,9 +332,7 @@ nfs_putpages(ap)
iomode = NFSV3WRITE_FILESYNC;
mtx_unlock(&vm_mtx);
mtx_lock(&Giant);
error = nfs_writerpc(vp, &uio, cred, &iomode, &must_commit);
mtx_unlock(&Giant);
mtx_lock(&vm_mtx);
pmap_qremove(kva, npages);
@ -352,9 +346,7 @@ nfs_putpages(ap)
}
if (must_commit) {
mtx_unlock(&vm_mtx);
mtx_lock(&Giant);
nfs_clearcommit(vp->v_mount);
mtx_unlock(&Giant);
mtx_lock(&vm_mtx);
}
}