diff options
Diffstat (limited to 'fs/jffs2/scan.c')
| -rw-r--r-- | fs/jffs2/scan.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c index 46f870d1cc36..b632dddcb482 100644 --- a/fs/jffs2/scan.c +++ b/fs/jffs2/scan.c @@ -20,7 +20,7 @@ #include "summary.h" #include "debug.h" -#define DEFAULT_EMPTY_SCAN_SIZE 1024 +#define DEFAULT_EMPTY_SCAN_SIZE 256 #define noisy_printk(noise, args...) do { \ if (*(noise)) { \ @@ -435,7 +435,7 @@ static int jffs2_scan_eraseblock (struct jffs2_sb_info *c, struct jffs2_eraseblo unsigned char *buf, uint32_t buf_size, struct jffs2_summary *s) { struct jffs2_unknown_node *node; struct jffs2_unknown_node crcnode; - uint32_t ofs, prevofs; + uint32_t ofs, prevofs, max_ofs; uint32_t hdr_crc, buf_ofs, buf_len; int err; int noise = 0; @@ -550,12 +550,12 @@ static int jffs2_scan_eraseblock (struct jffs2_sb_info *c, struct jffs2_eraseblo /* We temporarily use 'ofs' as a pointer into the buffer/jeb */ ofs = 0; - - /* Scan only 4KiB of 0xFF before declaring it's empty */ - while(ofs < EMPTY_SCAN_SIZE(c->sector_size) && *(uint32_t *)(&buf[ofs]) == 0xFFFFFFFF) + max_ofs = EMPTY_SCAN_SIZE(c->sector_size); + /* Scan only EMPTY_SCAN_SIZE of 0xFF before declaring it's empty */ + while(ofs < max_ofs && *(uint32_t *)(&buf[ofs]) == 0xFFFFFFFF) ofs += 4; - if (ofs == EMPTY_SCAN_SIZE(c->sector_size)) { + if (ofs == max_ofs) { #ifdef CONFIG_JFFS2_FS_WRITEBUFFER if (jffs2_cleanmarker_oob(c)) { /* scan oob, take care of cleanmarker */ |