74d00a8c38
* properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin <john@phrozen.org>
56 lines
1.7 KiB
Diff
56 lines
1.7 KiB
Diff
--- a/fs/jffs2/build.c
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+++ b/fs/jffs2/build.c
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@@ -116,6 +116,16 @@ static int jffs2_build_filesystem(struct
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dbg_fsbuild("scanned flash completely\n");
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jffs2_dbg_dump_block_lists_nolock(c);
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+ if (c->flags & (1 << 7)) {
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+ printk("%s(): unlocking the mtd device... ", __func__);
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+ mtd_unlock(c->mtd, 0, c->mtd->size);
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+ printk("done.\n");
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+
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+ printk("%s(): erasing all blocks after the end marker... ", __func__);
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+ jffs2_erase_pending_blocks(c, -1);
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+ printk("done.\n");
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+ }
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+
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dbg_fsbuild("pass 1 starting\n");
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c->flags |= JFFS2_SB_FLAG_BUILDING;
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/* Now scan the directory tree, increasing nlink according to every dirent found. */
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--- a/fs/jffs2/scan.c
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+++ b/fs/jffs2/scan.c
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@@ -148,8 +148,14 @@ int jffs2_scan_medium(struct jffs2_sb_in
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/* reset summary info for next eraseblock scan */
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jffs2_sum_reset_collected(s);
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- ret = jffs2_scan_eraseblock(c, jeb, buf_size?flashbuf:(flashbuf+jeb->offset),
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- buf_size, s);
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+ if (c->flags & (1 << 7)) {
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+ if (mtd_block_isbad(c->mtd, jeb->offset))
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+ ret = BLK_STATE_BADBLOCK;
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+ else
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+ ret = BLK_STATE_ALLFF;
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+ } else
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+ ret = jffs2_scan_eraseblock(c, jeb, buf_size?flashbuf:(flashbuf+jeb->offset),
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+ buf_size, s);
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if (ret < 0)
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goto out;
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@@ -561,6 +567,17 @@ full_scan:
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return err;
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}
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+ if ((buf[0] == 0xde) &&
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+ (buf[1] == 0xad) &&
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+ (buf[2] == 0xc0) &&
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+ (buf[3] == 0xde)) {
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+ /* end of filesystem. erase everything after this point */
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+ printk("%s(): End of filesystem marker found at 0x%x\n", __func__, jeb->offset);
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+ c->flags |= (1 << 7);
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+
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+ return BLK_STATE_ALLFF;
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+ }
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+
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/* We temporarily use 'ofs' as a pointer into the buffer/jeb */
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ofs = 0;
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max_ofs = EMPTY_SCAN_SIZE(c->sector_size);
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