coda: cleanup downcall handler (5fd31e9a) · Commits · 戴 / test

fs/coda/upcall.c

+54 −65

Original line number	Diff line number	Diff line
		@@ -859,52 +859,43 @@ exit:

		int coda_downcall(int opcode, union outputArgs * out, struct super_block *sb)
		{
		struct inode *inode = NULL;
		struct CodaFid fid, newfid;

		/* Handle invalidation requests. */
		if ( !sb \|\| !sb->s_root \|\| !sb->s_root->d_inode)
		if ( !sb \|\| !sb->s_root)
		return 0;

		switch (opcode) {

		case CODA_FLUSH : {
		case CODA_FLUSH:
		coda_cache_clear_all(sb);
		shrink_dcache_sb(sb);
		if (sb->s_root->d_inode)
		coda_flag_inode(sb->s_root->d_inode, C_FLUSH);
		return(0);
		}
		break;

		case CODA_PURGEUSER : {
		case CODA_PURGEUSER:
		coda_cache_clear_all(sb);
		return(0);
		}

		case CODA_ZAPDIR : {
		struct inode *inode;
		struct CodaFid *fid = &out->coda_zapdir.CodaFid;
		break;

		case CODA_ZAPDIR:
		fid = &out->coda_zapdir.CodaFid;
		inode = coda_fid_to_inode(fid, sb);
		if (inode) {
		coda_flag_inode_children(inode, C_PURGE);
		coda_flag_inode(inode, C_VATTR);
		iput(inode);
		}

		return(0);
		}
		break;

		case CODA_ZAPFILE : {
		struct inode *inode;
		struct CodaFid *fid = &out->coda_zapfile.CodaFid;
		case CODA_ZAPFILE:
		fid = &out->coda_zapfile.CodaFid;
		inode = coda_fid_to_inode(fid, sb);
		if ( inode ) {
		if (inode)
		coda_flag_inode(inode, C_VATTR);
		iput(inode);
		}
		return 0;
		}
		break;

		case CODA_PURGEFID : {
		struct inode *inode;
		struct CodaFid *fid = &out->coda_purgefid.CodaFid;
		case CODA_PURGEFID:
		fid = &out->coda_purgefid.CodaFid;
		inode = coda_fid_to_inode(fid, sb);
		if (inode) {
		coda_flag_inode_children(inode, C_PURGE);
		@@ -913,23 +904,21 @@ int coda_downcall(int opcode, union outputArgs * out, struct super_block *sb)
		coda_flag_inode(inode, C_PURGE);
		d_prune_aliases(inode);

		iput(inode);
		}
		return 0;
		break;

		case CODA_REPLACE:
		fid = &out->coda_replace.OldFid;
		newfid = &out->coda_replace.NewFid;
		inode = coda_fid_to_inode(fid, sb);
		if (inode)
		coda_replace_fid(inode, fid, newfid);
		break;
		}

		case CODA_REPLACE : {
		struct inode *inode;
		struct CodaFid *oldfid = &out->coda_replace.OldFid;
		struct CodaFid *newfid = &out->coda_replace.NewFid;
		inode = coda_fid_to_inode(oldfid, sb);
		if ( inode ) {
		coda_replace_fid(inode, oldfid, newfid);
		if (inode)
		iput(inode);
		}
		return 0;
		}
		}

		return 0;
		}

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