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authorShehjar Tikoo <shehjart@gluster.com>2009-10-02 03:07:58 +0000
committerAnand V. Avati <avati@dev.gluster.com>2009-10-06 06:35:04 -0700
commitee3b60524b49fc02d68c7ba219d8015a0d7c7a97 (patch)
tree3ebb123cb0b45dad5e5d44e9f9b689fa39914ed8 /xlators/cluster/map
parentd3c3d0a8ddc97d7be64a2c2102fab67b8d5e81af (diff)
map: Support readdirp fop
Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 292 (Separate readdirp functionality from readdir fop) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=292
Diffstat (limited to 'xlators/cluster/map')
-rw-r--r--xlators/cluster/map/src/map.c104
1 files changed, 91 insertions, 13 deletions
diff --git a/xlators/cluster/map/src/map.c b/xlators/cluster/map/src/map.c
index 91cf8eb24a1..1616fbec536 100644
--- a/xlators/cluster/map/src/map.c
+++ b/xlators/cluster/map/src/map.c
@@ -750,9 +750,36 @@ map_single_readdir_cbk (call_frame_t *frame,
}
+int32_t
+map_single_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, gf_dirent_t *entries)
+{
+ call_frame_t *prev = NULL;
+ gf_dirent_t *orig_entry = NULL;
+
+ prev = cookie;
+
+ list_for_each_entry (orig_entry, &entries->list, list) {
+ map_itransform (this, prev->this, orig_entry->d_ino,
+ &orig_entry->d_ino);
+ orig_entry->d_stat.st_ino = orig_entry->d_ino;
+ }
+ STACK_UNWIND (frame, op_ret, op_errno, entries);
+ return 0;
+}
+
int
map_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, gf_dirent_t *orig_entries)
+ int op_ret, int op_errno, gf_dirent_t *orig_entries);
+
+int
+map_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, gf_dirent_t *orig_entries);
+
+int
+map_generic_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, gf_dirent_t *orig_entries,
+ int whichop)
{
map_local_t *local = NULL;
gf_dirent_t entries;
@@ -787,6 +814,8 @@ map_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
map_itransform (this, subvol, orig_entry->d_off,
&entry->d_off);
+ if (whichop == GF_FOP_READDIRP)
+ entry->d_stat.st_ino = entry->d_ino;
entry->d_type = orig_entry->d_type;
entry->d_len = orig_entry->d_len;
@@ -812,9 +841,14 @@ done:
goto unwind;
}
- STACK_WIND (frame, map_readdir_cbk,
- next_subvol, next_subvol->fops->readdir,
- local->fd, local->size, 0);
+ if (whichop == GF_FOP_READDIR)
+ STACK_WIND (frame, map_readdir_cbk, next_subvol,
+ next_subvol->fops->readdir, local->fd,
+ local->size, 0);
+ else
+ STACK_WIND (frame, map_readdirp_cbk, next_subvol,
+ next_subvol->fops->readdirp, local->fd,
+ local->size, 0);
return 0;
}
@@ -835,6 +869,26 @@ unwind:
}
+int
+map_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, gf_dirent_t *orig_entries)
+{
+ map_generic_readdir_cbk (frame, cookie, this, op_ret, op_errno,
+ orig_entries, GF_FOP_READDIR);
+ return 0;
+}
+
+
+int
+map_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, gf_dirent_t *orig_entries)
+{
+ map_generic_readdir_cbk (frame, cookie, this, op_ret, op_errno,
+ orig_entries, GF_FOP_READDIRP);
+ return 0;
+}
+
+
/* Management operations */
static int32_t
@@ -2238,11 +2292,8 @@ map_opendir (call_frame_t *frame,
int32_t
-map_readdir (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- size_t size,
- off_t yoff)
+map_do_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t yoff, int whichop)
{
int32_t op_errno = EINVAL;
xlator_t *subvol = NULL;
@@ -2265,8 +2316,12 @@ map_readdir (call_frame_t *frame,
}
/* Just one callback */
- STACK_WIND (frame, map_single_readdir_cbk, subvol,
- subvol->fops->readdir, fd, size, yoff);
+ if (whichop == GF_FOP_READDIR)
+ STACK_WIND (frame, map_single_readdir_cbk, subvol,
+ subvol->fops->readdir, fd, size, yoff);
+ else
+ STACK_WIND (frame, map_single_readdirp_cbk, subvol,
+ subvol->fops->readdirp, fd, size, yoff);
return 0;
@@ -2290,8 +2345,12 @@ map_readdir (call_frame_t *frame,
map_deitransform (this, yoff, &xvol, (uint64_t *)&xoff);
- STACK_WIND (frame, map_readdir_cbk, xvol,
- xvol->fops->readdir, fd, size, xoff);
+ if (whichop == GF_FOP_READDIR)
+ STACK_WIND (frame, map_readdir_cbk, xvol, xvol->fops->readdir,
+ fd, size, xoff);
+ else
+ STACK_WIND (frame, map_readdirp_cbk, xvol, xvol->fops->readdirp,
+ fd, size, xoff);
return 0;
err:
@@ -2301,6 +2360,24 @@ map_readdir (call_frame_t *frame,
}
+
+int32_t
+map_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t yoff)
+{
+ map_do_readdir (frame, this, fd, size, yoff, GF_FOP_READDIR);
+ return 0;
+}
+
+int32_t
+map_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t yoff)
+{
+ map_do_readdir (frame, this, fd, size, yoff, GF_FOP_READDIRP);
+ return 0;
+}
+
+
void
fini (xlator_t *this)
{
@@ -2455,6 +2532,7 @@ struct xlator_fops fops = {
.lk = map_lk,
.opendir = map_opendir,
.readdir = map_readdir,
+ .readdirp = map_readdirp,
.fsyncdir = map_fsyncdir,
.symlink = map_symlink,
.unlink = map_unlink,