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[JFFS2] Remove flash offset argument from various functions.

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We don't need the upper layers to deal with the physical offset. It's
_always_ c->nextblock->offset + c->sector_size - c->nextblock->free_size
so we might as well just let the actual write functions deal with that.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse
2006-05-23 00:38:06 +01:00
parent 5fa433942b
commit 9fe4854cd1
9 changed files with 135 additions and 115 deletions
Download Patch File Download Diff File Expand all files Collapse all files
fs/jffs2/xattr.c
+23 -22
View File
@@ -49,9 +49,9 @@
* is used to be as a wrapper of do_verify_xattr_datum() and do_load_xattr_datum().
* If xd need to call do_verify_xattr_datum() at first, it's called before calling
* do_load_xattr_datum(). The meanings of return value is same as do_verify_xattr_datum().
* save_xattr_datum(c, xd, phys_ofs)
* save_xattr_datum(c, xd)
* is used to write xdatum to medium. xd->version will be incremented.
* create_xattr_datum(c, xprefix, xname, xvalue, xsize, phys_ofs)
* create_xattr_datum(c, xprefix, xname, xvalue, xsize)
* is used to create new xdatum and write to medium.
* -------------------------------------------------- */
@@ -301,7 +301,7 @@ static int load_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *x
return rc;
}
static int save_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *xd, uint32_t phys_ofs)
static int save_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *xd)
{
/* must be called under down_write(xattr_sem) */
struct jffs2_raw_xattr rx;
@@ -309,6 +309,7 @@ static int save_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *x
struct kvec vecs[2];
uint32_t length;
int rc, totlen;
uint32_t phys_ofs = write_ofs(c);
BUG_ON(!xd->xname);
@@ -369,8 +370,7 @@ static int save_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *x
static struct jffs2_xattr_datum *create_xattr_datum(struct jffs2_sb_info *c,
int xprefix, const char *xname,
const char *xvalue, int xsize,
uint32_t phys_ofs)
const char *xvalue, int xsize)
{
/* must be called under down_write(xattr_sem) */
struct jffs2_xattr_datum *xd;
@@ -419,7 +419,7 @@ static struct jffs2_xattr_datum *create_xattr_datum(struct jffs2_sb_info *c,
xd->value_len = xsize;
xd->data_crc = crc32(0, data, xd->name_len + 1 + xd->value_len);
rc = save_xattr_datum(c, xd, phys_ofs);
rc = save_xattr_datum(c, xd);
if (rc) {
kfree(xd->xname);
jffs2_free_xattr_datum(xd);
@@ -446,9 +446,9 @@ static struct jffs2_xattr_datum *create_xattr_datum(struct jffs2_sb_info *c,
* delete_xattr_ref(c, ref)
* is used to delete jffs2_xattr_ref object. If the reference counter of xdatum
* is refered by this xref become 0, delete_xattr_datum() is called later.
* save_xattr_ref(c, ref, phys_ofs)
* save_xattr_ref(c, ref)
* is used to write xref to medium.
* create_xattr_ref(c, ic, xd, phys_ofs)
* create_xattr_ref(c, ic, xd)
* is used to create a new xref and write to medium.
* jffs2_xattr_delete_inode(c, ic)
* is called to remove xrefs related to obsolete inode when inode is unlinked.
@@ -554,12 +554,13 @@ static void delete_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *re
jffs2_free_xattr_ref(ref);
}
static int save_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref, uint32_t phys_ofs)
static int save_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref)
{
/* must be called under down_write(xattr_sem) */
struct jffs2_raw_node_ref *raw;
struct jffs2_raw_xref rr;
uint32_t length;
uint32_t phys_ofs = write_ofs(c);
int ret;
raw = jffs2_alloc_raw_node_ref();
@@ -604,7 +605,7 @@ static int save_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref,
}
static struct jffs2_xattr_ref *create_xattr_ref(struct jffs2_sb_info *c, struct jffs2_inode_cache *ic,
struct jffs2_xattr_datum *xd, uint32_t phys_ofs)
struct jffs2_xattr_datum *xd)
{
/* must be called under down_write(xattr_sem) */
struct jffs2_xattr_ref *ref;
@@ -616,7 +617,7 @@ static struct jffs2_xattr_ref *create_xattr_ref(struct jffs2_sb_info *c, struct
ref->ic = ic;
ref->xd = xd;
ret = save_xattr_ref(c, ref, phys_ofs);
ret = save_xattr_ref(c, ref);
if (ret) {
jffs2_free_xattr_ref(ref);
return ERR_PTR(ret);
@@ -1062,7 +1063,7 @@ int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname,
struct jffs2_inode_cache *ic = f->inocache;
struct jffs2_xattr_datum *xd;
struct jffs2_xattr_ref *ref, *newref, **pref;
uint32_t phys_ofs, length, request;
uint32_t length, request;
int rc;
rc = check_xattr_ref_inode(c, ic);
@@ -1070,7 +1071,7 @@ int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname,
return rc;
request = PAD(sizeof(struct jffs2_raw_xattr) + strlen(xname) + 1 + size);
rc = jffs2_reserve_space(c, request, &phys_ofs, &length,
rc = jffs2_reserve_space(c, request, &length,
ALLOC_NORMAL, JFFS2_SUMMARY_XATTR_SIZE);
if (rc) {
JFFS2_WARNING("jffs2_reserve_space()=%d, request=%u\n", rc, request);
@@ -1117,7 +1118,7 @@ int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname,
goto out;
}
found:
xd = create_xattr_datum(c, xprefix, xname, buffer, size, phys_ofs);
xd = create_xattr_datum(c, xprefix, xname, buffer, size);
if (IS_ERR(xd)) {
rc = PTR_ERR(xd);
goto out;
@@ -1127,7 +1128,7 @@ int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname,
/* create xattr_ref */
request = PAD(sizeof(struct jffs2_raw_xref));
rc = jffs2_reserve_space(c, request, &phys_ofs, &length,
rc = jffs2_reserve_space(c, request, &length,
ALLOC_NORMAL, JFFS2_SUMMARY_XREF_SIZE);
if (rc) {
JFFS2_WARNING("jffs2_reserve_space()=%d, request=%u\n", rc, request);
@@ -1141,7 +1142,7 @@ int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname,
down_write(&c->xattr_sem);
if (ref)
*pref = ref->next;
newref = create_xattr_ref(c, ic, xd, phys_ofs);
newref = create_xattr_ref(c, ic, xd);
if (IS_ERR(newref)) {
if (ref) {
ref->next = ic->xref;
@@ -1170,7 +1171,7 @@ int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname,
* -------------------------------------------------- */
int jffs2_garbage_collect_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *xd)
{
uint32_t phys_ofs, totlen, length, old_ofs;
uint32_t totlen, length, old_ofs;
int rc = -EINVAL;
down_write(&c->xattr_sem);
@@ -1190,13 +1191,13 @@ int jffs2_garbage_collect_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xatt
} else if (unlikely(rc < 0))
goto out;
}
rc = jffs2_reserve_space_gc(c, totlen, &phys_ofs, &length, JFFS2_SUMMARY_XATTR_SIZE);
rc = jffs2_reserve_space_gc(c, totlen, &length, JFFS2_SUMMARY_XATTR_SIZE);
if (rc || length < totlen) {
JFFS2_WARNING("jffs2_reserve_space()=%d, request=%u\n", rc, totlen);
rc = rc ? rc : -EBADFD;
goto out;
}
rc = save_xattr_datum(c, xd, phys_ofs);
rc = save_xattr_datum(c, xd);
if (!rc)
dbg_xattr("xdatum (xid=%u, version=%u) GC'ed from %#08x to %08x\n",
xd->xid, xd->version, old_ofs, ref_offset(xd->node));
@@ -1208,7 +1209,7 @@ int jffs2_garbage_collect_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xatt
int jffs2_garbage_collect_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref)
{
uint32_t phys_ofs, totlen, length, old_ofs;
uint32_t totlen, length, old_ofs;
int rc = -EINVAL;
down_write(&c->xattr_sem);
@@ -1219,14 +1220,14 @@ int jffs2_garbage_collect_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_
if (totlen != sizeof(struct jffs2_raw_xref))
goto out;
rc = jffs2_reserve_space_gc(c, totlen, &phys_ofs, &length, JFFS2_SUMMARY_XREF_SIZE);
rc = jffs2_reserve_space_gc(c, totlen, &length, JFFS2_SUMMARY_XREF_SIZE);
if (rc || length < totlen) {
JFFS2_WARNING("%s: jffs2_reserve_space() = %d, request = %u\n",
__FUNCTION__, rc, totlen);
rc = rc ? rc : -EBADFD;
goto out;
}
rc = save_xattr_ref(c, ref, phys_ofs);
rc = save_xattr_ref(c, ref);
if (!rc)
dbg_xattr("xref (ino=%u, xid=%u) GC'ed from %#08x to %08x\n",
ref->ic->ino, ref->xd->xid, old_ofs, ref_offset(ref->node));