diff options
| author | Roman Yeryomin <roman@advem.lv> | 2013-05-26 01:02:55 +0300 |
|---|---|---|
| committer | Roman Yeryomin <roman@advem.lv> | 2013-05-26 01:02:55 +0300 |
| commit | 342045a35b1981a89e4bc80842b10c065e1050da (patch) | |
| tree | 4140720b20e8d641c11da882010d6130a75fef21 /target/linux/generic/patches-3.9/532-jffs2_eofdetect.patch | |
| parent | 7338133dde8238afce34676214b494c8db96689b (diff) | |
| parent | 1a116ce7818ecee5d167a9c0ebb1a0feca9120e6 (diff) | |
Merge trunk into realtek-unstable
Conflicts:
Config.in
feeds.conf.default
package/base-files/files/etc/hotplug2-common.rules
package/network/config/netifd/files/etc/init.d/network
Diffstat (limited to 'target/linux/generic/patches-3.9/532-jffs2_eofdetect.patch')
| -rw-r--r-- | target/linux/generic/patches-3.9/532-jffs2_eofdetect.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.9/532-jffs2_eofdetect.patch b/target/linux/generic/patches-3.9/532-jffs2_eofdetect.patch new file mode 100644 index 000000000..f36131e99 --- /dev/null +++ b/target/linux/generic/patches-3.9/532-jffs2_eofdetect.patch @@ -0,0 +1,53 @@ +--- a/fs/jffs2/build.c ++++ b/fs/jffs2/build.c +@@ -114,6 +114,16 @@ static int jffs2_build_filesystem(struct + dbg_fsbuild("scanned flash completely\n"); + jffs2_dbg_dump_block_lists_nolock(c); + ++ if (c->flags & (1 << 7)) { ++ printk("%s(): unlocking the mtd device... ", __func__); ++ mtd_unlock(c->mtd, 0, c->mtd->size); ++ printk("done.\n"); ++ ++ printk("%s(): erasing all blocks after the end marker... ", __func__); ++ jffs2_erase_pending_blocks(c, -1); ++ printk("done.\n"); ++ } ++ + dbg_fsbuild("pass 1 starting\n"); + c->flags |= JFFS2_SB_FLAG_BUILDING; + /* Now scan the directory tree, increasing nlink according to every dirent found. */ +--- a/fs/jffs2/scan.c ++++ b/fs/jffs2/scan.c +@@ -148,8 +148,11 @@ int jffs2_scan_medium(struct jffs2_sb_in + /* 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; +@@ -556,6 +559,17 @@ static int jffs2_scan_eraseblock (struct + return err; + } + ++ if ((buf[0] == 0xde) && ++ (buf[1] == 0xad) && ++ (buf[2] == 0xc0) && ++ (buf[3] == 0xde)) { ++ /* end of filesystem. erase everything after this point */ ++ printk("%s(): End of filesystem marker found at 0x%x\n", __func__, jeb->offset); ++ c->flags |= (1 << 7); ++ ++ return BLK_STATE_ALLFF; ++ } ++ + /* We temporarily use 'ofs' as a pointer into the buffer/jeb */ + ofs = 0; + max_ofs = EMPTY_SCAN_SIZE(c->sector_size); |