AcoSail/kernel_optimize_test
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[PATCH] Optimise NFS readdir hack slightly.

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Avoid calling the underlying ->readdir() again when we reached the end
already; keep going round the loop only if we stopped due to our own
buffer being full.

[AV: tidy the things up a bit, while we are there]

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Woodhouse 2008-08-17 17:21:18 +01:00 committed by Al Viro
parent 53c9c5c0e3
commit c002a6c797
1 changed files with 3 additions and 2 deletions
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5
fs/nfsd/vfs.c
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@ -1891,7 +1891,6 @@ static int nfsd_buffered_readdir(struct file *file, filldir_t func,
if (!size)
break;
de = (struct buffered_dirent *)buf.dirent;
while (size > 0) {
offset = de->offset;
@ -1908,7 +1907,9 @@ static int nfsd_buffered_readdir(struct file *file, filldir_t func,
size -= reclen;
de = (struct buffered_dirent *)((char *)de + reclen);
}
offset = vfs_llseek(file, 0, 1);
offset = vfs_llseek(file, 0, SEEK_CUR);
if (!buf.full)
break;
}
done: