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NFS: Fix fscache super_cookie allocation

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Commit f2aedb713c ("NFS: Add fs_context support.") reworked
NFS mount code paths for fs_context support which included
super_block initialization.  In the process there was an extra
return left in the code and so we never call
nfs_fscache_get_super_cookie even if 'fsc' is given on as mount
option.  In addition, there is an extra check inside
nfs_fscache_get_super_cookie for the NFS_OPTION_FSCACHE which
is unnecessary since the only caller nfs_get_cache_cookie
checks this flag.

Fixes: f2aedb713c ("NFS: Add fs_context support.")
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
Dave Wysochanski 2020-04-15 16:14:42 -04:00 committed by David Howells
parent d9bfced1fb
commit 1575161273
2 changed files with 0 additions and 3 deletions
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2
fs/nfs/fscache.c
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@ -118,8 +118,6 @@ void nfs_fscache_get_super_cookie(struct super_block *sb, const char *uniq, int
nfss->fscache_key = NULL;
nfss->fscache = NULL;
if (!(nfss->options & NFS_OPTION_FSCACHE))
return;
if (!uniq) {
uniq = "";
ulen = 1;

1
fs/nfs/super.c
View File

@ -1189,7 +1189,6 @@ static void nfs_get_cache_cookie(struct super_block *sb,
uniq = ctx->fscache_uniq;
ulen = strlen(ctx->fscache_uniq);
}
return;
}
nfs_fscache_get_super_cookie(sb, uniq, ulen);