diff options
Diffstat (limited to 'target/linux/generic-2.6')
| -rw-r--r-- | target/linux/generic-2.6/patches/204-jffs2_eofdetect.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches/204-jffs2_eofdetect.patch b/target/linux/generic-2.6/patches/204-jffs2_eofdetect.patch new file mode 100644 index 000000000..b93efa68a --- /dev/null +++ b/target/linux/generic-2.6/patches/204-jffs2_eofdetect.patch @@ -0,0 +1,48 @@ +diff -ur linux.old/fs/jffs2/scan.c linux.dev/fs/jffs2/scan.c +--- linux.old/fs/jffs2/scan.c 2006-05-31 02:31:44.000000000 +0200 ++++ linux.dev/fs/jffs2/scan.c 2006-06-15 02:20:32.000000000 +0200 +@@ -120,8 +120,11 @@ + /* reset summary info for next eraseblock scan */ + jffs2_sum_reset_collected(s); + +- ret = jffs2_scan_eraseblock(c, jeb, buf_size?flashbuf:(flashbuf+jeb->offset), +- buf_size, s); ++ if (c->flags & (1 << 7)) ++ ret = BLK_STATE_ALLFF; ++ else ++ ret = jffs2_scan_eraseblock(c, jeb, buf_size?flashbuf:(flashbuf+jeb->offset), ++ buf_size, s); + + if (ret < 0) + goto out; +@@ -222,6 +225,12 @@ + } + } + ++ if (c->flags & (1 << 7)) { ++ printk("jffs2_scan_medium(): erasing all blocks after the end marker...\n"); ++ jffs2_erase_pending_blocks(c, -1); ++ printk("jffs2_scan_medium(): done.\n"); ++ } ++ + if (jffs2_sum_active() && s) + kfree(s); + +@@ -389,6 +398,17 @@ + return err; + } + ++ if ((buf[0] == 0xde) && ++ (buf[1] == 0xad) && ++ (buf[2] == 0xc0) && ++ (buf[3] == 0xde)) { ++ /* end of filesystem. erase everything after this point */ ++ printk("jffs2_scan_eraseblock(): End of filesystem marker found at 0x%x\n", jeb->offset); ++ c->flags |= (1 << 7); ++ ++ return BLK_STATE_ALLFF; ++ } ++ + /* We temporarily use 'ofs' as a pointer into the buffer/jeb */ + ofs = 0; + |