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Diffstat (limited to 'fs/jffs2/read.c')
-rw-r--r--fs/jffs2/read.c70
1 files changed, 41 insertions, 29 deletions
diff --git a/fs/jffs2/read.c b/fs/jffs2/read.c
index 3f39be1b0455..0b042b1fc82f 100644
--- a/fs/jffs2/read.c
+++ b/fs/jffs2/read.c
@@ -9,6 +9,8 @@
*
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/crc32.h>
@@ -36,24 +38,25 @@ int jffs2_read_dnode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
ret = jffs2_flash_read(c, ref_offset(fd->raw), sizeof(*ri), &readlen, (char *)ri);
if (ret) {
jffs2_free_raw_inode(ri);
- printk(KERN_WARNING "Error reading node from 0x%08x: %d\n", ref_offset(fd->raw), ret);
+ pr_warn("Error reading node from 0x%08x: %d\n",
+ ref_offset(fd->raw), ret);
return ret;
}
if (readlen != sizeof(*ri)) {
jffs2_free_raw_inode(ri);
- printk(KERN_WARNING "Short read from 0x%08x: wanted 0x%zx bytes, got 0x%zx\n",
- ref_offset(fd->raw), sizeof(*ri), readlen);
+ pr_warn("Short read from 0x%08x: wanted 0x%zx bytes, got 0x%zx\n",
+ ref_offset(fd->raw), sizeof(*ri), readlen);
return -EIO;
}
crc = crc32(0, ri, sizeof(*ri)-8);
- D1(printk(KERN_DEBUG "Node read from %08x: node_crc %08x, calculated CRC %08x. dsize %x, csize %x, offset %x, buf %p\n",
+ jffs2_dbg(1, "Node read from %08x: node_crc %08x, calculated CRC %08x. dsize %x, csize %x, offset %x, buf %p\n",
ref_offset(fd->raw), je32_to_cpu(ri->node_crc),
crc, je32_to_cpu(ri->dsize), je32_to_cpu(ri->csize),
- je32_to_cpu(ri->offset), buf));
+ je32_to_cpu(ri->offset), buf);
if (crc != je32_to_cpu(ri->node_crc)) {
- printk(KERN_WARNING "Node CRC %08x != calculated CRC %08x for node at %08x\n",
- je32_to_cpu(ri->node_crc), crc, ref_offset(fd->raw));
+ pr_warn("Node CRC %08x != calculated CRC %08x for node at %08x\n",
+ je32_to_cpu(ri->node_crc), crc, ref_offset(fd->raw));
ret = -EIO;
goto out_ri;
}
@@ -66,8 +69,8 @@ int jffs2_read_dnode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
}
D1(if(ofs + len > je32_to_cpu(ri->dsize)) {
- printk(KERN_WARNING "jffs2_read_dnode() asked for %d bytes at %d from %d-byte node\n",
- len, ofs, je32_to_cpu(ri->dsize));
+ pr_warn("jffs2_read_dnode() asked for %d bytes at %d from %d-byte node\n",
+ len, ofs, je32_to_cpu(ri->dsize));
ret = -EINVAL;
goto out_ri;
});
@@ -107,8 +110,8 @@ int jffs2_read_dnode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
decomprbuf = readbuf;
}
- D2(printk(KERN_DEBUG "Read %d bytes to %p\n", je32_to_cpu(ri->csize),
- readbuf));
+ jffs2_dbg(2, "Read %d bytes to %p\n", je32_to_cpu(ri->csize),
+ readbuf);
ret = jffs2_flash_read(c, (ref_offset(fd->raw)) + sizeof(*ri),
je32_to_cpu(ri->csize), &readlen, readbuf);
@@ -119,18 +122,19 @@ int jffs2_read_dnode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
crc = crc32(0, readbuf, je32_to_cpu(ri->csize));
if (crc != je32_to_cpu(ri->data_crc)) {
- printk(KERN_WARNING "Data CRC %08x != calculated CRC %08x for node at %08x\n",
- je32_to_cpu(ri->data_crc), crc, ref_offset(fd->raw));
+ pr_warn("Data CRC %08x != calculated CRC %08x for node at %08x\n",
+ je32_to_cpu(ri->data_crc), crc, ref_offset(fd->raw));
ret = -EIO;
goto out_decomprbuf;
}
- D2(printk(KERN_DEBUG "Data CRC matches calculated CRC %08x\n", crc));
+ jffs2_dbg(2, "Data CRC matches calculated CRC %08x\n", crc);
if (ri->compr != JFFS2_COMPR_NONE) {
- D2(printk(KERN_DEBUG "Decompress %d bytes from %p to %d bytes at %p\n",
- je32_to_cpu(ri->csize), readbuf, je32_to_cpu(ri->dsize), decomprbuf));
+ jffs2_dbg(2, "Decompress %d bytes from %p to %d bytes at %p\n",
+ je32_to_cpu(ri->csize), readbuf,
+ je32_to_cpu(ri->dsize), decomprbuf);
ret = jffs2_decompress(c, f, ri->compr | (ri->usercompr << 8), readbuf, decomprbuf, je32_to_cpu(ri->csize), je32_to_cpu(ri->dsize));
if (ret) {
- printk(KERN_WARNING "Error: jffs2_decompress returned %d\n", ret);
+ pr_warn("Error: jffs2_decompress returned %d\n", ret);
goto out_decomprbuf;
}
}
@@ -157,8 +161,8 @@ int jffs2_read_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
struct jffs2_node_frag *frag;
int ret;
- D1(printk(KERN_DEBUG "jffs2_read_inode_range: ino #%u, range 0x%08x-0x%08x\n",
- f->inocache->ino, offset, offset+len));
+ jffs2_dbg(1, "%s(): ino #%u, range 0x%08x-0x%08x\n",
+ __func__, f->inocache->ino, offset, offset + len);
frag = jffs2_lookup_node_frag(&f->fragtree, offset);
@@ -168,22 +172,27 @@ int jffs2_read_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
* (or perhaps is before it, if we've been asked to read off the
* end of the file). */
while(offset < end) {
- D2(printk(KERN_DEBUG "jffs2_read_inode_range: offset %d, end %d\n", offset, end));
+ jffs2_dbg(2, "%s(): offset %d, end %d\n",
+ __func__, offset, end);
if (unlikely(!frag || frag->ofs > offset ||
frag->ofs + frag->size <= offset)) {
uint32_t holesize = end - offset;
if (frag && frag->ofs > offset) {
- D1(printk(KERN_NOTICE "Eep. Hole in ino #%u fraglist. frag->ofs = 0x%08x, offset = 0x%08x\n", f->inocache->ino, frag->ofs, offset));
+ jffs2_dbg(1, "Eep. Hole in ino #%u fraglist. frag->ofs = 0x%08x, offset = 0x%08x\n",
+ f->inocache->ino, frag->ofs, offset);
holesize = min(holesize, frag->ofs - offset);
}
- D1(printk(KERN_DEBUG "Filling non-frag hole from %d-%d\n", offset, offset+holesize));
+ jffs2_dbg(1, "Filling non-frag hole from %d-%d\n",
+ offset, offset + holesize);
memset(buf, 0, holesize);
buf += holesize;
offset += holesize;
continue;
} else if (unlikely(!frag->node)) {
uint32_t holeend = min(end, frag->ofs + frag->size);
- D1(printk(KERN_DEBUG "Filling frag hole from %d-%d (frag 0x%x 0x%x)\n", offset, holeend, frag->ofs, frag->ofs + frag->size));
+ jffs2_dbg(1, "Filling frag hole from %d-%d (frag 0x%x 0x%x)\n",
+ offset, holeend, frag->ofs,
+ frag->ofs + frag->size);
memset(buf, 0, holeend - offset);
buf += holeend - offset;
offset = holeend;
@@ -195,20 +204,23 @@ int jffs2_read_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
fragofs = offset - frag->ofs;
readlen = min(frag->size - fragofs, end - offset);
- D1(printk(KERN_DEBUG "Reading %d-%d from node at 0x%08x (%d)\n",
- frag->ofs+fragofs, frag->ofs+fragofs+readlen,
- ref_offset(frag->node->raw), ref_flags(frag->node->raw)));
+ jffs2_dbg(1, "Reading %d-%d from node at 0x%08x (%d)\n",
+ frag->ofs+fragofs,
+ frag->ofs + fragofs+readlen,
+ ref_offset(frag->node->raw),
+ ref_flags(frag->node->raw));
ret = jffs2_read_dnode(c, f, frag->node, buf, fragofs + frag->ofs - frag->node->ofs, readlen);
- D2(printk(KERN_DEBUG "node read done\n"));
+ jffs2_dbg(2, "node read done\n");
if (ret) {
- D1(printk(KERN_DEBUG"jffs2_read_inode_range error %d\n",ret));
+ jffs2_dbg(1, "%s(): error %d\n",
+ __func__, ret);
memset(buf, 0, readlen);
return ret;
}
buf += readlen;
offset += readlen;
frag = frag_next(frag);
- D2(printk(KERN_DEBUG "node read was OK. Looping\n"));
+ jffs2_dbg(2, "node read was OK. Looping\n");
}
}
return 0;
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-02 16:16:58 +0000