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Clean up partial write support on Linux by calling afs_DoPartialWrite

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from afs_linux_writepage_sync.
This commit is contained in:
Chas Williams 2002-08-01 19:08:13 +00:00 committed by Nickolai Zeldovich
parent 9e06544249
commit 14dc5dfa08
2 changed files with 13 additions and 2 deletions
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11
src/afs/LINUX/osi_vnodeops.c
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@ -1502,13 +1502,24 @@ int afs_linux_writepage_sync(struct inode *ip, struct page *pp,
ICL_TYPE_POINTER, pp, ICL_TYPE_POINTER, pp,
ICL_TYPE_INT32, atomic_read(&pp->count), ICL_TYPE_INT32, atomic_read(&pp->count),
ICL_TYPE_INT32, 99999); ICL_TYPE_INT32, 99999);
setup_uio(&tuio, &iovec, buffer, base, count, UIO_WRITE, AFS_UIOSYS); setup_uio(&tuio, &iovec, buffer, base, count, UIO_WRITE, AFS_UIOSYS);
code = afs_write(vcp, &tuio, f_flags, credp, 0); code = afs_write(vcp, &tuio, f_flags, credp, 0);
vcache2inode(vcp); vcache2inode(vcp);
if (!code && afs_stats_cmperf.cacheCurrDirtyChunks >
afs_stats_cmperf.cacheMaxDirtyChunks) {
struct vrequest treq;
ObtainWriteLock(&vcp->lock, 533);
if (!afs_InitReq(&treq, credp))
code = afs_DoPartialWrite(vcp, &treq);
ReleaseWriteLock(&vcp->lock);
}
code = code ? -code : count - tuio.uio_resid; code = code ? -code : count - tuio.uio_resid;
afs_Trace4(afs_iclSetp, CM_TRACE_UPDATEPAGE, ICL_TYPE_POINTER, vcp, afs_Trace4(afs_iclSetp, CM_TRACE_UPDATEPAGE, ICL_TYPE_POINTER, vcp,
ICL_TYPE_POINTER, pp, ICL_TYPE_POINTER, pp,
ICL_TYPE_INT32, atomic_read(&pp->count), ICL_TYPE_INT32, atomic_read(&pp->count),

4
src/afs/VNOPS/afs_vnop_write.c
View File

@ -299,7 +299,7 @@ afs_MemWrite(avc, auio, aio, acred, noLock)
#endif #endif
ReleaseWriteLock(&tdc->lock); ReleaseWriteLock(&tdc->lock);
afs_PutDCache(tdc); afs_PutDCache(tdc);
#if !defined(AFS_VM_RDWR_ENV) || defined(AFS_LINUX22_ENV) #if !defined(AFS_VM_RDWR_ENV)
/* /*
* If write is implemented via VM, afs_DoPartialWrite() is called from * If write is implemented via VM, afs_DoPartialWrite() is called from
* the high-level write op. * the high-level write op.
@ -618,7 +618,7 @@ afs_UFSWrite(avc, auio, aio, acred, noLock)
osi_UFSClose(tfile); osi_UFSClose(tfile);
ReleaseWriteLock(&tdc->lock); ReleaseWriteLock(&tdc->lock);
afs_PutDCache(tdc); afs_PutDCache(tdc);
#if !defined(AFS_VM_RDWR_ENV) || defined(AFS_LINUX22_ENV) #if !defined(AFS_VM_RDWR_ENV)
/* /*
* If write is implemented via VM, afs_DoPartialWrite() is called from * If write is implemented via VM, afs_DoPartialWrite() is called from
* the high-level write op. * the high-level write op.