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coda: cleanup downcall handler 

Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Harkes 2007-07-19 01:48:49 -07:00 committed by Linus Torvalds
parent ed36f72367
commit 5fd31e9a67
1 changed files with 48 additions and 59 deletions
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107
fs/coda/upcall.c
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@ -859,77 +859,66 @@ static int coda_upcall(struct coda_sb_info *sbi,
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)
return 0;
if ( !sb || !sb->s_root)
return 0;
switch (opcode) {
switch (opcode) {
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);
break;
case CODA_FLUSH : {
coda_cache_clear_all(sb);
shrink_dcache_sb(sb);
coda_flag_inode(sb->s_root->d_inode, C_FLUSH);
return(0);
}
case CODA_PURGEUSER:
coda_cache_clear_all(sb);
break;
case CODA_PURGEUSER : {
coda_cache_clear_all(sb);
return(0);
}
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);
}
break;
case CODA_ZAPDIR : {
struct inode *inode;
struct CodaFid *fid = &out->coda_zapdir.CodaFid;
case CODA_ZAPFILE:
fid = &out->coda_zapfile.CodaFid;
inode = coda_fid_to_inode(fid, sb);
if (inode)
coda_flag_inode(inode, C_VATTR);
break;
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);
}
case CODA_ZAPFILE : {
struct inode *inode;
struct CodaFid *fid = &out->coda_zapfile.CodaFid;
inode = coda_fid_to_inode(fid, sb);
if ( inode ) {
coda_flag_inode(inode, C_VATTR);
iput(inode);
}
return 0;
}
case CODA_PURGEFID : {
struct inode *inode;
struct CodaFid *fid = &out->coda_purgefid.CodaFid;
inode = coda_fid_to_inode(fid, sb);
if ( inode ) {
case CODA_PURGEFID:
fid = &out->coda_purgefid.CodaFid;
inode = coda_fid_to_inode(fid, sb);
if (inode) {
coda_flag_inode_children(inode, C_PURGE);
/* catch the dentries later if some are still busy */
coda_flag_inode(inode, C_PURGE);
d_prune_aliases(inode);
iput(inode);
}
return 0;
}
}
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);
iput(inode);
}
return 0;
}
}
return 0;
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;
}
if (inode)
iput(inode);
return 0;
}