X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fext4%2Fmballoc.c;h=e4f30de11a9dcd14e53e18d17718ffcf0fa8e170;hb=030ba6bc67b4f2bc5cd174f57785a1745c929abe;hp=2c10b5058a8da7d4604173310155cfb0427bc639;hpb=a30d542a0035b886ffaafd0057ced0a2b28c3a4f;p=linux-2.6-omap-h63xx.git

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 2c10b5058a8..e4f30de11a9 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4395,7 +4395,12 @@ ext4_fsblk_t ext4_mb_new_blocks(handle_t *handle,
 		/*
 		 * With delalloc we already reserved the blocks
 		 */
-		if (ext4_claim_free_blocks(sbi, ar->len)) {
+		while (ar->len && ext4_claim_free_blocks(sbi, ar->len)) {
+			/* let others to free the space */
+			yield();
+			ar->len = ar->len >> 1;
+		}
+		if (!ar->len) {
 			*errp = -ENOSPC;
 			return 0;
 		}