diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index aaa6e1e83b297f6bbbc96e660fb9048d9125dab2..eededf94f5a6c591d003fcd9838e8a06af15f3d4 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -1345,7 +1345,7 @@ int ubi_dbg_check_write(struct ubi_device *ubi, const void *buf, int pnum,
if (!(ubi_chk_flags & UBI_CHK_IO))
return 0;
- buf1 = __vmalloc(len, GFP_KERNEL | GFP_NOFS, PAGE_KERNEL);
+ buf1 = __vmalloc(len, GFP_NOFS, PAGE_KERNEL);
if (!buf1) {
ubi_err("cannot allocate memory to check writes");
return 0;
@@ -1409,7 +1409,7 @@ int ubi_dbg_check_all_ff(struct ubi_device *ubi, int pnum, int offset, int len)
if (!(ubi_chk_flags & UBI_CHK_IO))
return 0;
- buf = __vmalloc(len, GFP_KERNEL | GFP_NOFS, PAGE_KERNEL);
+ buf = __vmalloc(len, GFP_NOFS, PAGE_KERNEL);
if (!buf) {
ubi_err("cannot allocate memory to check for 0xFFs");
return 0;
diff --git a/fs/ubifs/Kconfig b/fs/ubifs/Kconfig
index 1d1859dc3de5a88f323aa00b7ebcb12a557b7baa..d7440904be170871c473cb09229de0e11b48fa16 100644
--- a/fs/ubifs/Kconfig
+++ b/fs/ubifs/Kconfig
@@ -58,12 +58,3 @@ config UBIFS_FS_DEBUG
down UBIFS. You can then further enable / disable individual debugging
features using UBIFS module parameters and the corresponding sysfs
interfaces.
-
-config UBIFS_FS_DEBUG_CHKS
- bool "Enable extra checks"
- depends on UBIFS_FS_DEBUG
- help
- If extra checks are enabled UBIFS will check the consistency of its
- internal data structures during operation. However, UBIFS performance
- is dramatically slower when this option is selected especially if the
- file system is large.
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 01c2b028e52570e13afa64c2440145070ea1f2d7..f25a7339f80028427f5ca8208f0839facbe6a25b 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -818,7 +818,7 @@ void dbg_dump_leb(const struct ubifs_info *c, int lnum)
printk(KERN_DEBUG "(pid %d) start dumping LEB %d\n",
current->pid, lnum);
- buf = __vmalloc(c->leb_size, GFP_KERNEL | GFP_NOFS, PAGE_KERNEL);
+ buf = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
if (!buf) {
ubifs_err("cannot allocate memory for dumping LEB %d", lnum);
return;
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index d77db7e36484e3f79bece27ee4a11f3a6b80df6f..28be1e6a65e8c1af71fc754cb3ecf7dd6eaf2ca2 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -448,10 +448,12 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
if (!(pos & ~PAGE_CACHE_MASK) && len == PAGE_CACHE_SIZE) {
/*
* We change whole page so no need to load it. But we
- * have to set the @PG_checked flag to make the further
- * code know that the page is new. This might be not
- * true, but it is better to budget more than to read
- * the page from the media.
+ * do not know whether this page exists on the media or
+ * not, so we assume the latter because it requires
+ * larger budget. The assumption is that it is better
+ * to budget a bit more than to read the page from the
+ * media. Thus, we are setting the @PG_checked flag
+ * here.
*/
SetPageChecked(page);
skipped_read = 1;
@@ -559,6 +561,7 @@ static int ubifs_write_end(struct file *file, struct address_space *mapping,
dbg_gen("copied %d instead of %d, read page and repeat",
copied, len);
cancel_budget(c, page, ui, appending);
+ ClearPageChecked(page);
/*
* Return 0 to force VFS to repeat the whole operation, or the
diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c
index c7b25e2f7764dd83fcf7db60cebe5c191aa6a3c2..0ee0847f24218b0e44cfefeb888dc501b8d159f1 100644
--- a/fs/ubifs/lprops.c
+++ b/fs/ubifs/lprops.c
@@ -1094,7 +1094,7 @@ static int scan_check_cb(struct ubifs_info *c,
}
}
- buf = __vmalloc(c->leb_size, GFP_KERNEL | GFP_NOFS, PAGE_KERNEL);
+ buf = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
if (!buf) {
ubifs_err("cannot allocate memory to scan LEB %d", lnum);
goto out;
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index 0a3c2c3f5c4a305675d94f2a191d4b362879c869..0c9c69bd983a94c0854d90508a15832b99b6fe0f 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -1633,7 +1633,7 @@ static int dbg_check_ltab_lnum(struct ubifs_info *c, int lnum)
if (!(ubifs_chk_flags & UBIFS_CHK_LPROPS))
return 0;
- buf = p = __vmalloc(c->leb_size, GFP_KERNEL | GFP_NOFS, PAGE_KERNEL);
+ buf = p = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
if (!buf) {
ubifs_err("cannot allocate memory for ltab checking");
return 0;
@@ -1885,7 +1885,7 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum)
printk(KERN_DEBUG "(pid %d) start dumping LEB %d\n",
current->pid, lnum);
- buf = p = __vmalloc(c->leb_size, GFP_KERNEL | GFP_NOFS, PAGE_KERNEL);
+ buf = p = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
if (!buf) {
ubifs_err("cannot allocate memory to dump LPT");
return;
diff --git a/fs/ubifs/orphan.c b/fs/ubifs/orphan.c
index 2cdbd31641d7eff40681cae07547935f443d7b0f..09df318e368f492f3d249f97680c1f9b479393c7 100644
--- a/fs/ubifs/orphan.c
+++ b/fs/ubifs/orphan.c
@@ -898,7 +898,7 @@ static int dbg_scan_orphans(struct ubifs_info *c, struct check_info *ci)
if (c->no_orphs)
return 0;
- buf = __vmalloc(c->leb_size, GFP_KERNEL | GFP_NOFS, PAGE_KERNEL);
+ buf = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
if (!buf) {
ubifs_err("cannot allocate memory to check orphans");
return 0;