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ceph: fix broken comparison in readdir loop 

Both off and fi->offset are unsigned, so the difference is always >= 0.
Compare them directly instead of the sign of the difference.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2011-05-12 15:28:11 -07:00
parent 31456665a0
commit da39822c65
1 changed files with 1 additions and 1 deletions
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2
fs/ceph/dir.c
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@ -360,7 +360,7 @@ static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir)
rinfo = &fi->last_readdir->r_reply_info;
dout("readdir frag %x num %d off %d chunkoff %d\n", frag,
rinfo->dir_nr, off, fi->offset);
while (off - fi->offset >= 0 && off - fi->offset < rinfo->dir_nr) {
while (off >= fi->offset && off - fi->offset < rinfo->dir_nr) {
u64 pos = ceph_make_fpos(frag, off);
struct ceph_mds_reply_inode *in =
rinfo->dir_in[off - fi->offset].in;