[PATCH] nfsd4: find_delegation_file()
Factor out a bit of common code that will be useful elsewhere. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -1526,6 +1526,18 @@ out:
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return status;
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return status;
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}
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}
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static struct nfs4_delegation *
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find_delegation_file(struct nfs4_file *fp, stateid_t *stid)
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{
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struct nfs4_delegation *dp;
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list_for_each_entry(dp, &fp->fi_del_perfile, dl_del_perfile) {
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if (dp->dl_stateid.si_stateownerid == stid->si_stateownerid)
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return dp;
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}
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return NULL;
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}
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static int
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static int
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nfs4_check_open(struct nfs4_file *fp, struct nfsd4_open *open, struct nfs4_stateid **stpp)
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nfs4_check_open(struct nfs4_file *fp, struct nfsd4_open *open, struct nfs4_stateid **stpp)
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{
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{
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@ -2419,24 +2431,15 @@ find_stateid(stateid_t *stid, int flags)
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static struct nfs4_delegation *
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static struct nfs4_delegation *
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find_delegation_stateid(struct inode *ino, stateid_t *stid)
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find_delegation_stateid(struct inode *ino, stateid_t *stid)
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{
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{
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struct nfs4_delegation *dp = NULL;
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struct nfs4_file *fp = NULL;
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struct nfs4_file *fp = NULL;
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u32 st_id;
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dprintk("NFSD:find_delegation_stateid stateid=(%08x/%08x/%08x/%08x)\n",
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dprintk("NFSD:find_delegation_stateid stateid=(%08x/%08x/%08x/%08x)\n",
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stid->si_boot, stid->si_stateownerid,
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stid->si_boot, stid->si_stateownerid,
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stid->si_fileid, stid->si_generation);
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stid->si_fileid, stid->si_generation);
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st_id = stid->si_stateownerid;
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fp = find_file(ino);
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fp = find_file(ino);
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if (fp) {
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if (fp)
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list_for_each_entry(dp, &fp->fi_del_perfile, dl_del_perfile) {
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return find_delegation_file(fp, stid);
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if(dp->dl_stateid.si_stateownerid == st_id) {
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dprintk("NFSD: find_delegation dp %p\n",dp);
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return dp;
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}
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}
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}
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return NULL;
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return NULL;
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}
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}
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