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-rw-r--r--fs/ceph/dir.c27
-rw-r--r--fs/ceph/inode.c21
-rw-r--r--fs/ceph/mds_client.c42
-rw-r--r--fs/ceph/mds_client.h12
4 files changed, 50 insertions, 52 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 31a2cdf39210..68530acea2c8 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -416,9 +416,9 @@ more:
fi->last_name = NULL;
fi->next_offset = 2;
} else {
- err = note_last_dentry(fi,
- rinfo->dir_dname[rinfo->dir_nr-1],
- rinfo->dir_dname_len[rinfo->dir_nr-1],
+ struct ceph_mds_reply_dir_entry *rde =
+ rinfo->dir_entries + (rinfo->dir_nr-1);
+ err = note_last_dentry(fi, rde->name, rde->name_len,
fi->next_offset + rinfo->dir_nr);
if (err)
return err;
@@ -431,24 +431,21 @@ more:
ctx->pos = ceph_make_fpos(frag, off);
while (off >= fi->offset && off - fi->offset < rinfo->dir_nr) {
- struct ceph_mds_reply_inode *in =
- rinfo->dir_in[off - fi->offset].in;
+ struct ceph_mds_reply_dir_entry *rde =
+ rinfo->dir_entries + (off - fi->offset);
struct ceph_vino vino;
ino_t ino;
dout("readdir off %d (%d/%d) -> %lld '%.*s' %p\n",
off, off - fi->offset, rinfo->dir_nr, ctx->pos,
- rinfo->dir_dname_len[off - fi->offset],
- rinfo->dir_dname[off - fi->offset], in);
- BUG_ON(!in);
- ftype = le32_to_cpu(in->mode) >> 12;
- vino.ino = le64_to_cpu(in->ino);
- vino.snap = le64_to_cpu(in->snapid);
+ rde->name_len, rde->name, &rde->inode.in);
+ BUG_ON(!rde->inode.in);
+ ftype = le32_to_cpu(rde->inode.in->mode) >> 12;
+ vino.ino = le64_to_cpu(rde->inode.in->ino);
+ vino.snap = le64_to_cpu(rde->inode.in->snapid);
ino = ceph_vino_to_ino(vino);
- if (!dir_emit(ctx,
- rinfo->dir_dname[off - fi->offset],
- rinfo->dir_dname_len[off - fi->offset],
- ceph_translate_ino(inode->i_sb, ino), ftype)) {
+ if (!dir_emit(ctx, rde->name, rde->name_len,
+ ceph_translate_ino(inode->i_sb, ino), ftype)) {
dout("filldir stopping us...\n");
return 0;
}
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 51ce5ce59f04..40d081d7028e 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1308,12 +1308,13 @@ static int readdir_prepopulate_inodes_only(struct ceph_mds_request *req,
int i, err = 0;
for (i = 0; i < rinfo->dir_nr; i++) {
+ struct ceph_mds_reply_dir_entry *rde = rinfo->dir_entries + i;
struct ceph_vino vino;
struct inode *in;
int rc;
- vino.ino = le64_to_cpu(rinfo->dir_in[i].in->ino);
- vino.snap = le64_to_cpu(rinfo->dir_in[i].in->snapid);
+ vino.ino = le64_to_cpu(rde->inode.in->ino);
+ vino.snap = le64_to_cpu(rde->inode.in->snapid);
in = ceph_get_inode(req->r_dentry->d_sb, vino);
if (IS_ERR(in)) {
@@ -1321,7 +1322,7 @@ static int readdir_prepopulate_inodes_only(struct ceph_mds_request *req,
dout("new_inode badness got %d\n", err);
continue;
}
- rc = fill_inode(in, NULL, &rinfo->dir_in[i], NULL, session,
+ rc = fill_inode(in, NULL, &rde->inode, NULL, session,
req->r_request_started, -1,
&req->r_caps_reservation);
if (rc < 0) {
@@ -1433,14 +1434,15 @@ int ceph_readdir_prepopulate(struct ceph_mds_request *req,
/* FIXME: release caps/leases if error occurs */
for (i = 0; i < rinfo->dir_nr; i++) {
+ struct ceph_mds_reply_dir_entry *rde = rinfo->dir_entries + i;
struct ceph_vino vino;
- dname.name = rinfo->dir_dname[i];
- dname.len = rinfo->dir_dname_len[i];
+ dname.name = rde->name;
+ dname.len = rde->name_len;
dname.hash = full_name_hash(dname.name, dname.len);
- vino.ino = le64_to_cpu(rinfo->dir_in[i].in->ino);
- vino.snap = le64_to_cpu(rinfo->dir_in[i].in->snapid);
+ vino.ino = le64_to_cpu(rde->inode.in->ino);
+ vino.snap = le64_to_cpu(rde->inode.in->snapid);
retry_lookup:
dn = d_lookup(parent, &dname);
@@ -1486,7 +1488,7 @@ retry_lookup:
}
}
- ret = fill_inode(in, NULL, &rinfo->dir_in[i], NULL, session,
+ ret = fill_inode(in, NULL, &rde->inode, NULL, session,
req->r_request_started, -1,
&req->r_caps_reservation);
if (ret < 0) {
@@ -1522,8 +1524,7 @@ retry_lookup:
di = dn->d_fsdata;
di->offset = ceph_make_fpos(frag, i + req->r_readdir_offset);
- update_dentry_lease(dn, rinfo->dir_dlease[i],
- req->r_session,
+ update_dentry_lease(dn, rde->lease, req->r_session,
req->r_request_started);
if (err == 0 && skipped == 0 && cache_ctl.index >= 0) {
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 047f723bdbe6..6220d3caf7ab 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -186,12 +186,9 @@ static int parse_reply_info_dir(void **p, void *end,
if (num == 0)
goto done;
- BUG_ON(!info->dir_in);
- info->dir_dname = (void *)(info->dir_in + num);
- info->dir_dname_len = (void *)(info->dir_dname + num);
- info->dir_dlease = (void *)(info->dir_dname_len + num);
- if ((unsigned long)(info->dir_dlease + num) >
- (unsigned long)info->dir_in + info->dir_buf_size) {
+ BUG_ON(!info->dir_entries);
+ if ((unsigned long)(info->dir_entries + num) >
+ (unsigned long)info->dir_entries + info->dir_buf_size) {
pr_err("dir contents are larger than expected\n");
WARN_ON(1);
goto bad;
@@ -199,19 +196,19 @@ static int parse_reply_info_dir(void **p, void *end,
info->dir_nr = num;
while (num) {
+ struct ceph_mds_reply_dir_entry *rde = info->dir_entries + i;
/* dentry */
ceph_decode_need(p, end, sizeof(u32)*2, bad);
- info->dir_dname_len[i] = ceph_decode_32(p);
- ceph_decode_need(p, end, info->dir_dname_len[i], bad);
- info->dir_dname[i] = *p;
- *p += info->dir_dname_len[i];
- dout("parsed dir dname '%.*s'\n", info->dir_dname_len[i],
- info->dir_dname[i]);
- info->dir_dlease[i] = *p;
+ rde->name_len = ceph_decode_32(p);
+ ceph_decode_need(p, end, rde->name_len, bad);
+ rde->name = *p;
+ *p += rde->name_len;
+ dout("parsed dir dname '%.*s'\n", rde->name_len, rde->name);
+ rde->lease = *p;
*p += sizeof(struct ceph_mds_reply_lease);
/* inode */
- err = parse_reply_info_in(p, end, &info->dir_in[i], features);
+ err = parse_reply_info_in(p, end, &rde->inode, features);
if (err < 0)
goto out_bad;
i++;
@@ -345,9 +342,9 @@ out_bad:
static void destroy_reply_info(struct ceph_mds_reply_info_parsed *info)
{
- if (!info->dir_in)
+ if (!info->dir_entries)
return;
- free_pages((unsigned long)info->dir_in, get_order(info->dir_buf_size));
+ free_pages((unsigned long)info->dir_entries, get_order(info->dir_buf_size));
}
@@ -1656,8 +1653,7 @@ int ceph_alloc_readdir_reply_buffer(struct ceph_mds_request *req,
struct ceph_inode_info *ci = ceph_inode(dir);
struct ceph_mds_reply_info_parsed *rinfo = &req->r_reply_info;
struct ceph_mount_options *opt = req->r_mdsc->fsc->mount_options;
- size_t size = sizeof(*rinfo->dir_in) + sizeof(*rinfo->dir_dname_len) +
- sizeof(*rinfo->dir_dname) + sizeof(*rinfo->dir_dlease);
+ size_t size = sizeof(struct ceph_mds_reply_dir_entry);
int order, num_entries;
spin_lock(&ci->i_ceph_lock);
@@ -1668,14 +1664,14 @@ int ceph_alloc_readdir_reply_buffer(struct ceph_mds_request *req,
order = get_order(size * num_entries);
while (order >= 0) {
- rinfo->dir_in = (void*)__get_free_pages(GFP_KERNEL |
- __GFP_NOWARN,
- order);
- if (rinfo->dir_in)
+ rinfo->dir_entries = (void*)__get_free_pages(GFP_KERNEL |
+ __GFP_NOWARN,
+ order);
+ if (rinfo->dir_entries)
break;
order--;
}
- if (!rinfo->dir_in)
+ if (!rinfo->dir_entries)
return -ENOMEM;
num_entries = (PAGE_SIZE << order) / size;
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index ee69a537dba5..0b84f9c0afa3 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -47,6 +47,13 @@ struct ceph_mds_reply_info_in {
u32 pool_ns_len;
};
+struct ceph_mds_reply_dir_entry {
+ char *name;
+ u32 name_len;
+ struct ceph_mds_reply_lease *lease;
+ struct ceph_mds_reply_info_in inode;
+};
+
/*
* parsed info about an mds reply, including information about
* either: 1) the target inode and/or its parent directory and dentry,
@@ -73,11 +80,8 @@ struct ceph_mds_reply_info_parsed {
struct ceph_mds_reply_dirfrag *dir_dir;
size_t dir_buf_size;
int dir_nr;
- char **dir_dname;
- u32 *dir_dname_len;
- struct ceph_mds_reply_lease **dir_dlease;
- struct ceph_mds_reply_info_in *dir_in;
u8 dir_complete, dir_end;
+ struct ceph_mds_reply_dir_entry *dir_entries;
};
/* for create results */