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[JFFS2] Clean up trailing white spaces

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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2005-11-07 11:16:07 +00:00
committed by Thomas Gleixner
parent 97894cda57
commit 182ec4eee3
36 changed files with 604 additions and 605 deletions
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170
fs/jffs2/nodelist.c
View File

@@ -7,7 +7,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
* $Id: nodelist.c,v 1.114 2005/09/21 13:28:35 dedekind Exp $
* $Id: nodelist.c,v 1.115 2005/11/07 11:14:40 gleixner Exp $
*
*/
@@ -24,7 +24,7 @@
void jffs2_add_fd_to_list(struct jffs2_sb_info *c, struct jffs2_full_dirent *new, struct jffs2_full_dirent **list)
{
struct jffs2_full_dirent **prev = list;
dbg_dentlist("add dirent \"%s\", ino #%u\n", new->name, new->ino);
while ((*prev) && (*prev)->nhash <= new->nhash) {
@@ -75,14 +75,14 @@ void jffs2_truncate_fragtree(struct jffs2_sb_info *c, struct rb_root *list, uint
if (size == 0)
return;
/*
/*
* If the last fragment starts at the RAM page boundary, it is
* REF_PRISTINE irrespective of its size.
*/
frag = frag_last(list);
if (frag->node && (frag->ofs & (PAGE_CACHE_SIZE - 1)) == 0) {
dbg_fragtree2("marking the last fragment 0x%08x-0x%08x REF_PRISTINE.\n",
frag->ofs, frag->ofs + frag->size);
frag->ofs, frag->ofs + frag->size);
frag->node->raw->flash_offset = ref_offset(frag->node->raw) | REF_PRISTINE;
}
}
@@ -102,7 +102,7 @@ void jffs2_obsolete_node_frag(struct jffs2_sb_info *c, struct jffs2_node_frag *t
ref_offset(this->node->raw), this->node->ofs, this->node->ofs+this->node->size, this->node->frags);
mark_ref_normal(this->node->raw);
}
}
jffs2_free_node_frag(this);
}
@@ -117,7 +117,7 @@ static void jffs2_fragtree_insert(struct jffs2_node_frag *newfrag, struct jffs2_
while (*link) {
parent = *link;
base = rb_entry(parent, struct jffs2_node_frag, rb);
if (newfrag->ofs > base->ofs)
link = &base->rb.rb_right;
else if (newfrag->ofs < base->ofs)
@@ -137,7 +137,7 @@ static void jffs2_fragtree_insert(struct jffs2_node_frag *newfrag, struct jffs2_
static inline struct jffs2_node_frag * new_fragment(struct jffs2_full_dnode *fn, uint32_t ofs, uint32_t size)
{
struct jffs2_node_frag *newfrag;
newfrag = jffs2_alloc_node_frag();
if (likely(newfrag)) {
newfrag->ofs = ofs;
@@ -169,7 +169,7 @@ static int no_overlapping_node(struct jffs2_sb_info *c, struct rb_root *root,
}
if (this) {
/* By definition, the 'this' node has no right-hand child,
/* By definition, the 'this' node has no right-hand child,
because there are no frags with offset greater than it.
So that's where we want to put the hole */
dbg_fragtree2("add hole frag %#04x-%#04x on the right of the new frag.\n",
@@ -183,13 +183,13 @@ static int no_overlapping_node(struct jffs2_sb_info *c, struct rb_root *root,
rb_insert_color(&holefrag->rb, root);
this = holefrag;
}
if (this) {
/* By definition, the 'this' node has no right-hand child,
/* By definition, the 'this' node has no right-hand child,
because there are no frags with offset greater than it.
So that's where we want to put new fragment */
dbg_fragtree2("add the new node at the right\n");
rb_link_node(&newfrag->rb, &this->rb, &this->rb.rb_right);
rb_link_node(&newfrag->rb, &this->rb, &this->rb.rb_right);
} else {
dbg_fragtree2("insert the new node at the root of the tree\n");
rb_link_node(&newfrag->rb, NULL, &root->rb_node);
@@ -216,7 +216,7 @@ static int jffs2_add_frag_to_fragtree(struct jffs2_sb_info *c, struct rb_root *r
dbg_fragtree2("lookup gave no frag\n");
lastend = 0;
}
/* See if we ran off the end of the fragtree */
if (lastend <= newfrag->ofs) {
/* We did */
@@ -243,7 +243,7 @@ static int jffs2_add_frag_to_fragtree(struct jffs2_sb_info *c, struct rb_root *r
this->ofs, this->ofs + this->size);
/* OK. 'this' is pointing at the first frag that newfrag->ofs at least partially obsoletes,
* - i.e. newfrag->ofs < this->ofs+this->size && newfrag->ofs >= this->ofs
* - i.e. newfrag->ofs < this->ofs+this->size && newfrag->ofs >= this->ofs
*/
if (newfrag->ofs > this->ofs) {
/* This node isn't completely obsoleted. The start of it remains valid */
@@ -261,10 +261,10 @@ static int jffs2_add_frag_to_fragtree(struct jffs2_sb_info *c, struct rb_root *r
if (this->node)
dbg_fragtree2("split old frag 0x%04x-0x%04x, phys 0x%08x\n",
this->ofs, this->ofs+this->size, ref_offset(this->node->raw));
else
else
dbg_fragtree2("split old hole frag 0x%04x-0x%04x\n",
this->ofs, this->ofs+this->size);
/* New second frag pointing to this's node */
newfrag2 = new_fragment(this->node, newfrag->ofs + newfrag->size,
this->ofs + this->size - newfrag->ofs - newfrag->size);
@@ -284,10 +284,10 @@ static int jffs2_add_frag_to_fragtree(struct jffs2_sb_info *c, struct rb_root *r
from newfrag to insert newfrag2. */
jffs2_fragtree_insert(newfrag, this);
rb_insert_color(&newfrag->rb, root);
jffs2_fragtree_insert(newfrag2, newfrag);
rb_insert_color(&newfrag2->rb, root);
return 0;
}
/* New node just reduces 'this' frag in size, doesn't split it */
@@ -297,13 +297,13 @@ static int jffs2_add_frag_to_fragtree(struct jffs2_sb_info *c, struct rb_root *r
jffs2_fragtree_insert(newfrag, this);
rb_insert_color(&newfrag->rb, root);
} else {
/* New frag starts at the same point as 'this' used to. Replace
/* New frag starts at the same point as 'this' used to. Replace
it in the tree without doing a delete and insertion */
dbg_fragtree2("inserting newfrag (*%p),%d-%d in before 'this' (*%p),%d-%d\n",
newfrag, newfrag->ofs, newfrag->ofs+newfrag->size, this, this->ofs, this->ofs+this->size);
rb_replace_node(&this->rb, &newfrag->rb, root);
if (newfrag->ofs + newfrag->size >= this->ofs+this->size) {
dbg_fragtree2("obsoleting node frag %p (%x-%x)\n", this, this->ofs, this->ofs+this->size);
jffs2_obsolete_node_frag(c, this);
@@ -317,7 +317,7 @@ static int jffs2_add_frag_to_fragtree(struct jffs2_sb_info *c, struct rb_root *r
}
}
/* OK, now we have newfrag added in the correct place in the tree, but
frag_next(newfrag) may be a fragment which is overlapped by it
frag_next(newfrag) may be a fragment which is overlapped by it
*/
while ((this = frag_next(newfrag)) && newfrag->ofs + newfrag->size >= this->ofs + this->size) {
/* 'this' frag is obsoleted completely. */
@@ -326,7 +326,7 @@ static int jffs2_add_frag_to_fragtree(struct jffs2_sb_info *c, struct rb_root *r
rb_erase(&this->rb, root);
jffs2_obsolete_node_frag(c, this);
}
/* Now we're pointing at the first frag which isn't totally obsoleted by
/* Now we're pointing at the first frag which isn't totally obsoleted by
the new frag */
if (!this || newfrag->ofs + newfrag->size == this->ofs)
@@ -344,7 +344,7 @@ static int jffs2_add_frag_to_fragtree(struct jffs2_sb_info *c, struct rb_root *r
return 0;
}
/*
/*
* Given an inode, probably with existing tree of fragments, add the new node
* to the fragment tree.
*/
@@ -363,7 +363,7 @@ int jffs2_add_full_dnode_to_inode(struct jffs2_sb_info *c, struct jffs2_inode_in
dbg_fragtree("adding node %#04x-%#04x @0x%08x on flash, newfrag *%p\n",
fn->ofs, fn->ofs+fn->size, ref_offset(fn->raw), newfrag);
ret = jffs2_add_frag_to_fragtree(c, &f->fragtree, newfrag);
if (unlikely(ret))
return ret;
@@ -374,14 +374,14 @@ int jffs2_add_full_dnode_to_inode(struct jffs2_sb_info *c, struct jffs2_inode_in
struct jffs2_node_frag *prev = frag_prev(newfrag);
mark_ref_normal(fn->raw);
/* If we don't start at zero there's _always_ a previous */
/* If we don't start at zero there's _always_ a previous */
if (prev->node)
mark_ref_normal(prev->node->raw);
}
if ((newfrag->ofs+newfrag->size) & (PAGE_CACHE_SIZE-1)) {
struct jffs2_node_frag *next = frag_next(newfrag);
if (next) {
mark_ref_normal(fn->raw);
if (next->node)
@@ -412,7 +412,7 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info
if (!jffs2_is_writebuffered(c))
goto adj_acc;
/* Calculate how many bytes were already checked */
ofs = ref_offset(ref) + sizeof(struct jffs2_raw_inode);
len = ofs % c->wbuf_pagesize;
@@ -424,13 +424,13 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info
ref_offset(ref), tn->csize, ofs);
goto adj_acc;
}
ofs += len;
len = tn->csize - len;
dbg_readinode("check node at %#08x, data length %u, partial CRC %#08x, correct CRC %#08x, data starts at %#08x, start checking from %#08x - %u bytes.\n",
ref_offset(ref), tn->csize, tn->partial_crc, tn->data_crc, ofs - len, ofs, len);
#ifndef __ECOS
/* TODO: instead, incapsulate point() stuff to jffs2_flash_read(),
* adding and jffs2_flash_read_end() interface. */
@@ -445,12 +445,12 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info
pointed = 1; /* succefully pointed to device */
}
#endif
if (!pointed) {
buffer = kmalloc(len, GFP_KERNEL);
if (unlikely(!buffer))
return -ENOMEM;
/* TODO: this is very frequent pattern, make it a separate
* routine */
err = jffs2_flash_read(c, ofs, len, &retlen, buffer);
@@ -458,7 +458,7 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info
JFFS2_ERROR("can not read %d bytes from 0x%08x, error code: %d.\n", len, ofs, err);
goto free_out;
}
if (retlen != len) {
JFFS2_ERROR("short read at %#08x: %d instead of %d.\n", ofs, retlen, len);
err = -EIO;
@@ -485,7 +485,7 @@ adj_acc:
jeb = &c->blocks[ref->flash_offset / c->sector_size];
len = ref_totlen(c, jeb, ref);
/*
/*
* Mark the node as having been checked and fix the
* accounting accordingly.
*/
@@ -516,13 +516,13 @@ free_out:
static inline int check_node(struct jffs2_sb_info *c, struct jffs2_inode_info *f, struct jffs2_tmp_dnode_info *tn)
{
int ret;
BUG_ON(ref_obsolete(tn->fn->raw));
/* We only check the data CRC of unchecked nodes */
if (ref_flags(tn->fn->raw) != REF_UNCHECKED)
return 0;
dbg_fragtree2("check node %#04x-%#04x, phys offs %#08x.\n",
tn->fn->ofs, tn->fn->ofs + tn->fn->size, ref_offset(tn->fn->raw));
@@ -538,7 +538,7 @@ static inline int check_node(struct jffs2_sb_info *c, struct jffs2_inode_info *f
return ret;
}
/*
/*
* Helper function for jffs2_add_older_frag_to_fragtree().
*
* Called when the new fragment that is being inserted
@@ -551,31 +551,31 @@ static int split_hole(struct jffs2_sb_info *c, struct rb_root *root,
newfrag->ofs, newfrag->ofs + newfrag->size, hole->ofs, hole->ofs + hole->size);
if (hole->ofs == newfrag->ofs) {
/*
/*
* Well, the new fragment actually starts at the same offset as
* the hole.
*/
if (hole->ofs + hole->size > newfrag->ofs + newfrag->size) {
/*
/*
* We replace the overlapped left part of the hole by
* the new node.
*/
dbg_fragtree2("insert fragment %#04x-%#04x and cut the left part of the hole\n",
newfrag->ofs, newfrag->ofs + newfrag->size);
rb_replace_node(&hole->rb, &newfrag->rb, root);
hole->ofs += newfrag->size;
hole->size -= newfrag->size;
/*
/*
* We know that 'hole' should be the right hand
* fragment.
*/
jffs2_fragtree_insert(hole, newfrag);
rb_insert_color(&hole->rb, root);
} else {
/*
/*
* Ah, the new fragment is of the same size as the hole.
* Relace the hole by it.
*/
@@ -586,7 +586,7 @@ static int split_hole(struct jffs2_sb_info *c, struct rb_root *root,
}
} else {
/* The new fragment lefts some hole space at the left */
struct jffs2_node_frag * newfrag2 = NULL;
if (hole->ofs + hole->size > newfrag->ofs + newfrag->size) {
@@ -606,7 +606,7 @@ static int split_hole(struct jffs2_sb_info *c, struct rb_root *root,
jffs2_fragtree_insert(newfrag, hole);
rb_insert_color(&newfrag->rb, root);
if (newfrag2) {
dbg_fragtree2("left the hole %#04x-%#04x at the right\n",
newfrag2->ofs, newfrag2->ofs + newfrag2->size);
@@ -654,18 +654,18 @@ int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode
lastend = this->ofs + this->size;
else
lastend = 0;
/* Detect the preliminary type of node */
if (fn->size >= PAGE_CACHE_SIZE)
ref_flag = REF_PRISTINE;
else
ref_flag = REF_NORMAL;
/* See if we ran off the end of the root */
if (lastend <= fn_ofs) {
/* We did */
/*
/*
* We are going to insert the new node into the
* fragment tree, so check it.
*/
@@ -691,21 +691,21 @@ int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode
fn->frags = 0;
while (1) {
/*
/*
* Here we have:
* fn_ofs < this->ofs + this->size && fn_ofs >= this->ofs.
*
*
* Remember, 'this' has higher version, any non-hole node
* which is already in the fragtree is newer then the newly
* inserted.
*/
if (!this->node) {
/*
/*
* 'this' is the hole fragment, so at least the
* beginning of the new fragment is valid.
*/
/*
/*
* We are going to insert the new node into the
* fragment tree, so check it.
*/
@@ -715,7 +715,7 @@ int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode
return err;
checked = 1;
}
if (this->ofs + this->size >= fn_ofs + fn_size) {
/* We split the hole on two parts */
@@ -730,7 +730,7 @@ int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode
goto out_ok;
}
/*
/*
* The beginning of the new fragment is valid since it
* overlaps the hole node.
*/
@@ -742,9 +742,9 @@ int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode
this->ofs + this->size - fn_ofs);
if (unlikely(!newfrag))
return -ENOMEM;
if (fn_ofs == this->ofs) {
/*
/*
* The new node starts at the same offset as
* the hole and supersieds the hole.
*/
@@ -754,21 +754,21 @@ int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode
rb_replace_node(&this->rb, &newfrag->rb, root);
jffs2_free_node_frag(this);
} else {
/*
/*
* The hole becomes shorter as its right part
* is supersieded by the new fragment.
*/
dbg_fragtree2("reduce size of hole %#04x-%#04x to %#04x-%#04x\n",
this->ofs, this->ofs + this->size, this->ofs, this->ofs + this->size - newfrag->size);
dbg_fragtree2("add new fragment %#04x-%#04x, refcnt %d\n", fn_ofs,
fn_ofs + this->ofs + this->size - fn_ofs, fn->frags);
this->size -= newfrag->size;
jffs2_fragtree_insert(newfrag, this);
rb_insert_color(&newfrag->rb, root);
}
fn_ofs += newfrag->size;
fn_size -= newfrag->size;
this = rb_entry(rb_next(&newfrag->rb),
@@ -778,7 +778,7 @@ int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode
this->ofs, this->ofs + this->size, this->node ? "(data)" : "(hole)");
}
/*
/*
* 'This' node is not the hole so it obsoletes the new fragment
* either fully or partially.
*/
@@ -791,19 +791,19 @@ int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode
goto out_ok;
} else {
struct jffs2_node_frag *new_this;
/* 'This' node obsoletes the beginning of the new node */
dbg_fragtree2("the beginning %#04x-%#04x is obsolete\n", fn_ofs, this->ofs + this->size);
ref_flag = REF_NORMAL;
fn_size -= this->ofs + this->size - fn_ofs;
fn_ofs = this->ofs + this->size;
dbg_fragtree2("now considering %#04x-%#04x\n", fn_ofs, fn_ofs + fn_size);
new_this = rb_entry(rb_next(&this->rb), struct jffs2_node_frag, rb);
if (!new_this) {
/*
/*
* There is no next fragment. Add the rest of
* the new node as the right-hand child.
*/
@@ -813,7 +813,7 @@ int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode
return err;
checked = 1;
}
fn->frags += 1;
newfrag = new_fragment(fn, fn_ofs, fn_size);
if (unlikely(!newfrag))
@@ -821,7 +821,7 @@ int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode
dbg_fragtree2("there are no more fragments, insert %#04x-%#04x\n",
newfrag->ofs, newfrag->ofs + newfrag->size);
rb_link_node(&newfrag->rb, &this->rb, &this->rb.rb_right);
rb_link_node(&newfrag->rb, &this->rb, &this->rb.rb_right);
rb_insert_color(&newfrag->rb, root);
goto out_ok;
} else {
@@ -862,9 +862,9 @@ void jffs2_set_inocache_state(struct jffs2_sb_info *c, struct jffs2_inode_cache
/* During mount, this needs no locking. During normal operation, its
callers want to do other stuff while still holding the inocache_lock.
Rather than introducing special case get_ino_cache functions or
Rather than introducing special case get_ino_cache functions or
callbacks, we just let the caller do the locking itself. */
struct jffs2_inode_cache *jffs2_get_ino_cache(struct jffs2_sb_info *c, uint32_t ino)
{
struct jffs2_inode_cache *ret;
@@ -873,7 +873,7 @@ struct jffs2_inode_cache *jffs2_get_ino_cache(struct jffs2_sb_info *c, uint32_t
while (ret && ret->ino < ino) {
ret = ret->next;
}
if (ret && ret->ino != ino)
ret = NULL;
@@ -907,9 +907,9 @@ void jffs2_del_ino_cache(struct jffs2_sb_info *c, struct jffs2_inode_cache *old)
dbg_inocache("del %p (ino #%u)\n", old, old->ino);
spin_lock(&c->inocache_lock);
prev = &c->inocache_list[old->ino % INOCACHE_HASHSIZE];
while ((*prev) && (*prev)->ino < old->ino) {
prev = &(*prev)->next;
}
@@ -919,7 +919,7 @@ void jffs2_del_ino_cache(struct jffs2_sb_info *c, struct jffs2_inode_cache *old)
/* Free it now unless it's in READING or CLEARING state, which
are the transitions upon read_inode() and clear_inode(). The
rest of the time we know nobody else is looking at it, and
rest of the time we know nobody else is looking at it, and
if it's held by read_inode() or clear_inode() they'll free it
for themselves. */
if (old->state != INO_STATE_READING && old->state != INO_STATE_CLEARING)
@@ -932,7 +932,7 @@ void jffs2_free_ino_caches(struct jffs2_sb_info *c)
{
int i;
struct jffs2_inode_cache *this, *next;
for (i=0; i<INOCACHE_HASHSIZE; i++) {
this = c->inocache_list[i];
while (this) {
@@ -959,10 +959,10 @@ void jffs2_free_raw_node_refs(struct jffs2_sb_info *c)
c->blocks[i].first_node = c->blocks[i].last_node = NULL;
}
}
struct jffs2_node_frag *jffs2_lookup_node_frag(struct rb_root *fragtree, uint32_t offset)
{
/* The common case in lookup is that there will be a node
/* The common case in lookup is that there will be a node
which precisely matches. So we go looking for that first */
struct rb_node *next;
struct jffs2_node_frag *prev = NULL;
@@ -993,9 +993,9 @@ struct jffs2_node_frag *jffs2_lookup_node_frag(struct rb_root *fragtree, uint32_
if (prev)
dbg_fragtree2("no match. Returning frag %#04x-%#04x, closest previous\n",
prev->ofs, prev->ofs+prev->size);
else
else
dbg_fragtree2("returning NULL, empty fragtree\n");
return prev;
}
@@ -1010,7 +1010,7 @@ void jffs2_kill_fragtree(struct rb_root *root, struct jffs2_sb_info *c)
return;
dbg_fragtree("killing\n");
frag = (rb_entry(root->rb_node, struct jffs2_node_frag, rb));
while(frag) {
if (frag->rb.rb_left) {
@@ -1023,18 +1023,18 @@ void jffs2_kill_fragtree(struct rb_root *root, struct jffs2_sb_info *c)
}
if (frag->node && !(--frag->node->frags)) {
/* Not a hole, and it's the final remaining frag
/* Not a hole, and it's the final remaining frag
of this node. Free the node */
if (c)
jffs2_mark_node_obsolete(c, frag->node->raw);
jffs2_free_full_dnode(frag->node);
}
parent = frag_parent(frag);
if (parent) {
if (frag_left(parent) == frag)
parent->rb.rb_left = NULL;
else
else
parent->rb.rb_right = NULL;
}