diff options
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.26/204-jffs2_eofdetect.patch')
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.26/204-jffs2_eofdetect.patch | 88 |
1 files changed, 82 insertions, 6 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.26/204-jffs2_eofdetect.patch b/target/linux/generic-2.6/patches-2.6.26/204-jffs2_eofdetect.patch index de554ad01..17a082d2c 100644 --- a/target/linux/generic-2.6/patches-2.6.26/204-jffs2_eofdetect.patch +++ b/target/linux/generic-2.6/patches-2.6.26/204-jffs2_eofdetect.patch @@ -9,7 +9,7 @@ + if (c->mtd->unlock) + c->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"); @@ -20,14 +20,21 @@ /* Now scan the directory tree, increasing nlink according to every dirent found. */ --- a/fs/jffs2/scan.c +++ b/fs/jffs2/scan.c -@@ -143,9 +143,12 @@ - +@@ -72,7 +72,7 @@ + return ret; + if ((ret = jffs2_scan_dirty_space(c, jeb, jeb->free_size))) + return ret; +- /* Turned wasted size into dirty, since we apparently ++ /* Turned wasted size into dirty, since we apparently + think it's recoverable now. */ + jeb->dirty_size += jeb->wasted_size; + c->dirty_size += jeb->wasted_size; +@@ -144,8 +144,11 @@ /* 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 @@ -36,6 +43,57 @@ if (ret < 0) goto out; +@@ -400,7 +403,7 @@ + if (!ref) + return -ENOMEM; + +- /* BEFORE jffs2_build_xattr_subsystem() called, ++ /* BEFORE jffs2_build_xattr_subsystem() called, + * and AFTER xattr_ref is marked as a dead xref, + * ref->xid is used to store 32bit xid, xd is not used + * ref->ino is used to store 32bit inode-number, ic is not used +@@ -473,7 +476,7 @@ + struct jffs2_sum_marker *sm; + void *sumptr = NULL; + uint32_t sumlen; +- ++ + if (!buf_size) { + /* XIP case. Just look, point at the summary if it's there */ + sm = (void *)buf + c->sector_size - sizeof(*sm); +@@ -489,9 +492,9 @@ + buf_len = sizeof(*sm); + + /* Read as much as we want into the _end_ of the preallocated buffer */ +- err = jffs2_fill_scan_buf(c, buf + buf_size - buf_len, ++ err = jffs2_fill_scan_buf(c, buf + buf_size - buf_len, + jeb->offset + c->sector_size - buf_len, +- buf_len); ++ buf_len); + if (err) + return err; + +@@ -510,9 +513,9 @@ + } + if (buf_len < sumlen) { + /* Need to read more so that the entire summary node is present */ +- err = jffs2_fill_scan_buf(c, sumptr, ++ err = jffs2_fill_scan_buf(c, sumptr, + jeb->offset + c->sector_size - sumlen, +- sumlen - buf_len); ++ sumlen - buf_len); + if (err) + return err; + } +@@ -525,7 +528,7 @@ + + if (buf_size && sumlen > buf_size) + kfree(sumptr); +- /* If it returns with a real error, bail. ++ /* If it returns with a real error, bail. + If it returns positive, that's a block classification + (i.e. BLK_STATE_xxx) so return that too. + If it returns zero, fall through to full scan. */ @@ -546,6 +549,17 @@ return err; } @@ -50,7 +108,25 @@ + + return BLK_STATE_ALLFF; + } -+ ++ /* We temporarily use 'ofs' as a pointer into the buffer/jeb */ ofs = 0; +@@ -671,7 +685,7 @@ + scan_end = buf_len; + goto more_empty; + } +- ++ + /* See how much more there is to read in this eraseblock... */ + buf_len = min_t(uint32_t, buf_size, jeb->offset + c->sector_size - ofs); + if (!buf_len) { +@@ -907,7 +921,7 @@ + + D1(printk(KERN_DEBUG "Block at 0x%08x: free 0x%08x, dirty 0x%08x, unchecked 0x%08x, used 0x%08x, wasted 0x%08x\n", + jeb->offset,jeb->free_size, jeb->dirty_size, jeb->unchecked_size, jeb->used_size, jeb->wasted_size)); +- ++ + /* mark_node_obsolete can add to wasted !! */ + if (jeb->wasted_size) { + jeb->dirty_size += jeb->wasted_size; |