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-rw-r--r--drivers/mtd/ubi/eba.c6
-rw-r--r--drivers/mtd/ubi/ubi.h2
-rw-r--r--drivers/mtd/ubi/wl.c12
-rw-r--r--fs/ubifs/lpt.c6
-rw-r--r--fs/ubifs/tnc.c3
-rw-r--r--fs/ubifs/xattr.c6
6 files changed, 19 insertions, 16 deletions
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index fb7f19b62d91..cd26da8ad225 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -1028,12 +1028,14 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to,
* 'ubi_wl_put_peb()' function on the @ubi->move_mutex. In turn, we are
* holding @ubi->move_mutex and go sleep on the LEB lock. So, if the
* LEB is already locked, we just do not move it and return
- * %MOVE_CANCEL_RACE, which means that UBI will re-try, but later.
+ * %MOVE_RETRY. Note, we do not return %MOVE_CANCEL_RACE here because
+ * we do not know the reasons of the contention - it may be just a
+ * normal I/O on this LEB, so we want to re-try.
*/
err = leb_write_trylock(ubi, vol_id, lnum);
if (err) {
dbg_wl("contention on LEB %d:%d, cancel", vol_id, lnum);
- return MOVE_CANCEL_RACE;
+ return MOVE_RETRY;
}
/*
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index dc64c767fd21..d51d75d34446 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -120,6 +120,7 @@ enum {
* PEB
* MOVE_CANCEL_BITFLIPS: canceled because a bit-flip was detected in the
* target PEB
+ * MOVE_RETRY: retry scrubbing the PEB
*/
enum {
MOVE_CANCEL_RACE = 1,
@@ -127,6 +128,7 @@ enum {
MOVE_TARGET_RD_ERR,
MOVE_TARGET_WR_ERR,
MOVE_CANCEL_BITFLIPS,
+ MOVE_RETRY,
};
/**
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 42c684cf3688..0696e36b0539 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -795,7 +795,10 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
protect = 1;
goto out_not_moved;
}
-
+ if (err == MOVE_RETRY) {
+ scrubbing = 1;
+ goto out_not_moved;
+ }
if (err == MOVE_CANCEL_BITFLIPS || err == MOVE_TARGET_WR_ERR ||
err == MOVE_TARGET_RD_ERR) {
/*
@@ -1049,7 +1052,6 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
ubi_err("failed to erase PEB %d, error %d", pnum, err);
kfree(wl_wrk);
- kmem_cache_free(ubi_wl_entry_slab, e);
if (err == -EINTR || err == -ENOMEM || err == -EAGAIN ||
err == -EBUSY) {
@@ -1062,14 +1064,16 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
goto out_ro;
}
return err;
- } else if (err != -EIO) {
+ }
+
+ kmem_cache_free(ubi_wl_entry_slab, e);
+ if (err != -EIO)
/*
* If this is not %-EIO, we have no idea what to do. Scheduling
* this physical eraseblock for erasure again would cause
* errors again and again. Well, lets switch to R/O mode.
*/
goto out_ro;
- }
/* It is %-EIO, the PEB went bad */
diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c
index 6189c74d97f0..66d59d0a1402 100644
--- a/fs/ubifs/lpt.c
+++ b/fs/ubifs/lpt.c
@@ -1986,12 +1986,11 @@ again:
if (path[h].in_tree)
continue;
- nnode = kmalloc(sz, GFP_NOFS);
+ nnode = kmemdup(&path[h].nnode, sz, GFP_NOFS);
if (!nnode) {
err = -ENOMEM;
goto out;
}
- memcpy(nnode, &path[h].nnode, sz);
parent = nnode->parent;
parent->nbranch[nnode->iip].nnode = nnode;
path[h].ptr.nnode = nnode;
@@ -2004,12 +2003,11 @@ again:
const size_t sz = sizeof(struct ubifs_pnode);
struct ubifs_nnode *parent;
- pnode = kmalloc(sz, GFP_NOFS);
+ pnode = kmemdup(&path[h].pnode, sz, GFP_NOFS);
if (!pnode) {
err = -ENOMEM;
goto out;
}
- memcpy(pnode, &path[h].pnode, sz);
parent = pnode->parent;
parent->nbranch[pnode->iip].pnode = pnode;
path[h].ptr.pnode = pnode;
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index 066738647685..e14ee53159db 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -344,12 +344,11 @@ static int lnc_add(struct ubifs_info *c, struct ubifs_zbranch *zbr,
return err;
}
- lnc_node = kmalloc(zbr->len, GFP_NOFS);
+ lnc_node = kmemdup(node, zbr->len, GFP_NOFS);
if (!lnc_node)
/* We don't have to have the cache, so no error */
return 0;
- memcpy(lnc_node, node, zbr->len);
zbr->leaf = lnc_node;
return 0;
}
diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c
index bf18f7a04544..85b272268754 100644
--- a/fs/ubifs/xattr.c
+++ b/fs/ubifs/xattr.c
@@ -138,12 +138,11 @@ static int create_xattr(struct ubifs_info *c, struct inode *host,
ui = ubifs_inode(inode);
ui->xattr = 1;
ui->flags |= UBIFS_XATTR_FL;
- ui->data = kmalloc(size, GFP_NOFS);
+ ui->data = kmemdup(value, size, GFP_NOFS);
if (!ui->data) {
err = -ENOMEM;
goto out_free;
}
- memcpy(ui->data, value, size);
inode->i_size = ui->ui_size = size;
ui->data_len = size;
@@ -204,12 +203,11 @@ static int change_xattr(struct ubifs_info *c, struct inode *host,
return err;
kfree(ui->data);
- ui->data = kmalloc(size, GFP_NOFS);
+ ui->data = kmemdup(value, size, GFP_NOFS);
if (!ui->data) {
err = -ENOMEM;
goto out_free;
}
- memcpy(ui->data, value, size);
inode->i_size = ui->ui_size = size;
ui->data_len = size;