summaryrefslogtreecommitdiffstats
path: root/fs/ceph
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/dir.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index ae61cdf7d489..e071d23f6148 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -294,7 +294,7 @@ static int ceph_readdir(struct file *file, struct dir_context *ctx)
struct ceph_mds_client *mdsc = fsc->mdsc;
int i;
int err;
- u32 ftype;
+ unsigned frag = -1;
struct ceph_mds_reply_info_parsed *rinfo;
dout("readdir %p file %p pos %llx\n", inode, file, ctx->pos);
@@ -341,7 +341,6 @@ more:
/* do we have the correct frag content buffered? */
if (need_send_readdir(fi, ctx->pos)) {
struct ceph_mds_request *req;
- unsigned frag;
int op = ceph_snap(inode) == CEPH_SNAPDIR ?
CEPH_MDS_OP_LSSNAP : CEPH_MDS_OP_READDIR;
@@ -352,8 +351,11 @@ more:
}
if (is_hash_order(ctx->pos)) {
- frag = ceph_choose_frag(ci, fpos_hash(ctx->pos),
- NULL, NULL);
+ /* fragtree isn't always accurate. choose frag
+ * based on previous reply when possible. */
+ if (frag == (unsigned)-1)
+ frag = ceph_choose_frag(ci, fpos_hash(ctx->pos),
+ NULL, NULL);
} else {
frag = fpos_frag(ctx->pos);
}
@@ -480,6 +482,7 @@ more:
struct ceph_mds_reply_dir_entry *rde = rinfo->dir_entries + i;
struct ceph_vino vino;
ino_t ino;
+ u32 ftype;
BUG_ON(rde->offset < ctx->pos);
@@ -502,15 +505,17 @@ more:
ctx->pos++;
}
+ ceph_mdsc_put_request(fi->last_readdir);
+ fi->last_readdir = NULL;
+
if (fi->next_offset > 2) {
- ceph_mdsc_put_request(fi->last_readdir);
- fi->last_readdir = NULL;
+ frag = fi->frag;
goto more;
}
/* more frags? */
if (!ceph_frag_is_rightmost(fi->frag)) {
- unsigned frag = ceph_frag_next(fi->frag);
+ frag = ceph_frag_next(fi->frag);
if (is_hash_order(ctx->pos)) {
loff_t new_pos = ceph_make_fpos(ceph_frag_value(frag),
fi->next_offset, true);