1 files changed, 56 insertions, 56 deletions

diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c
index ee54cdc59e06..f9ffece453a3 100644
--- a/fs/jffs2/gc.c
+++ b/fs/jffs2/gc.c
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: gc.c,v 1.154 2005/09/07 08:34:54 havasi Exp $
+ * $Id: gc.c,v 1.155 2005/11/07 11:14:39 gleixner Exp $
  *
  */
 
@@ -21,14 +21,14 @@
 #include "nodelist.h"
 #include "compr.h"
 
-static int jffs2_garbage_collect_pristine(struct jffs2_sb_info *c, 
+static int jffs2_garbage_collect_pristine(struct jffs2_sb_info *c,
                                           struct jffs2_inode_cache *ic,
                                           struct jffs2_raw_node_ref *raw);
-static int jffs2_garbage_collect_metadata(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, 
+static int jffs2_garbage_collect_metadata(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb,
                                         struct jffs2_inode_info *f, struct jffs2_full_dnode *fd);
-static int jffs2_garbage_collect_dirent(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, 
+static int jffs2_garbage_collect_dirent(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb,
                                         struct jffs2_inode_info *f, struct jffs2_full_dirent *fd);
-static int jffs2_garbage_collect_deletion_dirent(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, 
+static int jffs2_garbage_collect_deletion_dirent(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb,
                                         struct jffs2_inode_info *f, struct jffs2_full_dirent *fd);
 static int jffs2_garbage_collect_hole(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb,
                                       struct jffs2_inode_info *f, struct jffs2_full_dnode *fn,
@@ -55,7 +55,7 @@ again:
                 D1(printk(KERN_DEBUG "Picking block from bad_used_list to GC next\n"));
                 nextlist = &c->bad_used_list;
         } else if (n < 50 && !list_empty(&c->erasable_list)) {
-                /* Note that most of them will have gone directly to be erased. 
+                /* Note that most of them will have gone directly to be erased.
                    So don't favour the erasable_list _too_ much. */
                 D1(printk(KERN_DEBUG "Picking block from erasable_list to GC next\n"));
                 nextlist = &c->erasable_list;
@@ -101,7 +101,7 @@ again:
                 printk(KERN_WARNING "Eep. ret->gc_node for block at 0x%08x is NULL\n", ret->offset);
                 BUG();
         }
-        
+
         /* Have we accidentally picked a clean block with wasted space ? */
         if (ret->wasted_size) {
                 D1(printk(KERN_DEBUG "Converting wasted_size %08x to dirty_size\n", ret->wasted_size));
@@ -136,7 +136,7 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
 
                 /* We can't start doing GC yet. We haven't finished checking
                    the node CRCs etc. Do it now. */
-                
+
                 /* checked_ino is protected by the alloc_sem */
                 if (c->checked_ino > c->highest_ino) {
                         printk(KERN_CRIT "Checked all inodes but still 0x%x bytes of unchecked space?\n",
@@ -178,7 +178,7 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
 
                 case INO_STATE_READING:
                         /* We need to wait for it to finish, lest we move on
-                           and trigger the BUG() above while we haven't yet 
+                           and trigger the BUG() above while we haven't yet
                            finished checking all its nodes */
                         D1(printk(KERN_DEBUG "Waiting for ino #%u to finish reading\n", ic->ino));
                         up(&c->alloc_sem);
@@ -228,13 +228,13 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
         }
 
         raw = jeb->gc_node;
-                        
+
         while(ref_obsolete(raw)) {
                 D1(printk(KERN_DEBUG "Node at 0x%08x is obsolete... skipping\n", ref_offset(raw)));
                 raw = raw->next_phys;
                 if (unlikely(!raw)) {
                         printk(KERN_WARNING "eep. End of raw list while still supposedly nodes to GC\n");
-                        printk(KERN_WARNING "erase block at 0x%08x. free_size 0x%08x, dirty_size 0x%08x, used_size 0x%08x\n", 
+                        printk(KERN_WARNING "erase block at 0x%08x. free_size 0x%08x, dirty_size 0x%08x, used_size 0x%08x\n",
                                jeb->offset, jeb->free_size, jeb->dirty_size, jeb->used_size);
                         jeb->gc_node = raw;
                         spin_unlock(&c->erase_completion_lock);
@@ -259,7 +259,7 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
         ic = jffs2_raw_ref_to_ic(raw);
 
         /* We need to hold the inocache. Either the erase_completion_lock or
-           the inocache_lock are sufficient; we trade down since the inocache_lock 
+           the inocache_lock are sufficient; we trade down since the inocache_lock
            causes less contention. */
         spin_lock(&c->inocache_lock);
 
@@ -278,14 +278,14 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
 
         switch(ic->state) {
         case INO_STATE_CHECKEDABSENT:
-                /* It's been checked, but it's not currently in-core. 
+                /* It's been checked, but it's not currently in-core.
                    We can just copy any pristine nodes, but have
                    to prevent anyone else from doing read_inode() while
                    we're at it, so we set the state accordingly */
                 if (ref_flags(raw) == REF_PRISTINE)
                         ic->state = INO_STATE_GC;
                 else {
-                        D1(printk(KERN_DEBUG "Ino #%u is absent but node not REF_PRISTINE. Reading.\n", 
+                        D1(printk(KERN_DEBUG "Ino #%u is absent but node not REF_PRISTINE. Reading.\n",
                                   ic->ino));
                 }
                 break;
@@ -298,8 +298,8 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
         case INO_STATE_CHECKING:
         case INO_STATE_GC:
                 /* Should never happen. We should have finished checking
-                   by the time we actually start doing any GC, and since 
-                   we're holding the alloc_sem, no other garbage collection 
+                   by the time we actually start doing any GC, and since
+                   we're holding the alloc_sem, no other garbage collection
                    can happen.
                 */
                 printk(KERN_CRIT "Inode #%u already in state %d in jffs2_garbage_collect_pass()!\n",
@@ -319,21 +319,21 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
                 D1(printk(KERN_DEBUG "jffs2_garbage_collect_pass() waiting for ino #%u in state %d\n",
                           ic->ino, ic->state));
                 sleep_on_spinunlock(&c->inocache_wq, &c->inocache_lock);
-                /* And because we dropped the alloc_sem we must start again from the 
+                /* And because we dropped the alloc_sem we must start again from the
                    beginning. Ponder chance of livelock here -- we're returning success
                    without actually making any progress.
 
-                   Q: What are the chances that the inode is back in INO_STATE_READING 
+                   Q: What are the chances that the inode is back in INO_STATE_READING
                    again by the time we next enter this function? And that this happens
                    enough times to cause a real delay?
 
-                   A: Small enough that I don't care :) 
+                   A: Small enough that I don't care :)
                 */
                 return 0;
         }
 
         /* OK. Now if the inode is in state INO_STATE_GC, we are going to copy the
-           node intact, and we don't have to muck about with the fragtree etc. 
+           node intact, and we don't have to muck about with the fragtree etc.
            because we know it's not in-core. If it _was_ in-core, we go through
            all the iget() crap anyway */
 
@@ -453,7 +453,7 @@ static int jffs2_garbage_collect_live(struct jffs2_sb_info *c,  struct jffs2_era
                         if (!ret) {
                                 /* Urgh. Return it sensibly. */
                                 frag->node->raw = f->inocache->nodes;
-                        }       
+                        }
                         if (ret != -EBADFD)
                                 goto upnout;
                 }
@@ -467,7 +467,7 @@ static int jffs2_garbage_collect_live(struct jffs2_sb_info *c,  struct jffs2_era
                 }
                 goto upnout;
         }
-        
+
         /* Wasn't a dnode. Try dirent */
         for (fd = f->dents; fd; fd=fd->next) {
                 if (fd->raw == raw)
@@ -494,7 +494,7 @@ static int jffs2_garbage_collect_live(struct jffs2_sb_info *c,  struct jffs2_era
         return ret;
 }
 
-static int jffs2_garbage_collect_pristine(struct jffs2_sb_info *c, 
+static int jffs2_garbage_collect_pristine(struct jffs2_sb_info *c,
                                           struct jffs2_inode_cache *ic,
                                           struct jffs2_raw_node_ref *raw)
 {
@@ -580,7 +580,7 @@ static int jffs2_garbage_collect_pristine(struct jffs2_sb_info *c,
                 }
                 break;
         default:
-                printk(KERN_WARNING "Unknown node type for REF_PRISTINE node at 0x%08x: 0x%04x\n", 
+                printk(KERN_WARNING "Unknown node type for REF_PRISTINE node at 0x%08x: 0x%04x\n",
                        ref_offset(raw), je16_to_cpu(node->u.nodetype));
                 goto bail;
         }
@@ -621,7 +621,7 @@ static int jffs2_garbage_collect_pristine(struct jffs2_sb_info *c,
                         retried = 1;
 
                         D1(printk(KERN_DEBUG "Retrying failed write of REF_PRISTINE node.\n"));
-                        
+
                         jffs2_dbg_acct_sanity_check(c,jeb);
                         jffs2_dbg_acct_paranoia_check(c, jeb);
 
@@ -669,7 +669,7 @@ static int jffs2_garbage_collect_pristine(struct jffs2_sb_info *c,
         goto out_node;
 }
 
-static int jffs2_garbage_collect_metadata(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, 
+static int jffs2_garbage_collect_metadata(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb,
                                         struct jffs2_inode_info *f, struct jffs2_full_dnode *fn)
 {
         struct jffs2_full_dnode *new_fn;
@@ -684,7 +684,7 @@ static int jffs2_garbage_collect_metadata(struct jffs2_sb_info *c, struct jffs2_
             S_ISCHR(JFFS2_F_I_MODE(f)) ) {
                 /* For these, we don't actually need to read the old node */
                 /* FIXME: for minor or major > 255. */
-                dev = cpu_to_je16(((JFFS2_F_I_RDEV_MAJ(f) << 8) | 
+                dev = cpu_to_je16(((JFFS2_F_I_RDEV_MAJ(f) << 8) |
                         JFFS2_F_I_RDEV_MIN(f)));
                 mdata = (char *)&dev;
                 mdatalen = sizeof(dev);
@@ -705,7 +705,7 @@ static int jffs2_garbage_collect_metadata(struct jffs2_sb_info *c, struct jffs2_
                 D1(printk(KERN_DEBUG "jffs2_garbage_collect_metadata(): Writing %d bites of symlink target\n", mdatalen));
 
         }
-        
+
         ret = jffs2_reserve_space_gc(c, sizeof(ri) + mdatalen, &phys_ofs, &alloclen,
                                 JFFS2_SUMMARY_INODE_SIZE);
         if (ret) {
@@ -713,7 +713,7 @@ static int jffs2_garbage_collect_metadata(struct jffs2_sb_info *c, struct jffs2_
                        sizeof(ri)+ mdatalen, ret);
                 goto out;
         }
-        
+
         last_frag = frag_last(&f->fragtree);
         if (last_frag)
                 /* Fetch the inode length from the fragtree rather then
@@ -721,7 +721,7 @@ static int jffs2_garbage_collect_metadata(struct jffs2_sb_info *c, struct jffs2_
                 ilen = last_frag->ofs + last_frag->size;
         else
                 ilen = JFFS2_F_I_SIZE(f);
-        
+
         memset(&ri, 0, sizeof(ri));
         ri.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
         ri.nodetype = cpu_to_je16(JFFS2_NODETYPE_INODE);
@@ -760,7 +760,7 @@ static int jffs2_garbage_collect_metadata(struct jffs2_sb_info *c, struct jffs2_
         return ret;
 }
 
-static int jffs2_garbage_collect_dirent(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, 
+static int jffs2_garbage_collect_dirent(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb,
                                         struct jffs2_inode_info *f, struct jffs2_full_dirent *fd)
 {
         struct jffs2_full_dirent *new_fd;
@@ -781,12 +781,12 @@ static int jffs2_garbage_collect_dirent(struct jffs2_sb_info *c, struct jffs2_er
            so refrain from splatting them. */
         if (JFFS2_F_I_MTIME(f) == JFFS2_F_I_CTIME(f))
                 rd.mctime = cpu_to_je32(JFFS2_F_I_MTIME(f));
-        else 
+        else
                 rd.mctime = cpu_to_je32(0);
         rd.type = fd->type;
         rd.node_crc = cpu_to_je32(crc32(0, &rd, sizeof(rd)-8));
         rd.name_crc = cpu_to_je32(crc32(0, fd->name, rd.nsize));
-        
+
         ret = jffs2_reserve_space_gc(c, sizeof(rd)+rd.nsize, &phys_ofs, &alloclen,
                                 JFFS2_SUMMARY_DIRENT_SIZE(rd.nsize));
         if (ret) {
@@ -804,7 +804,7 @@ static int jffs2_garbage_collect_dirent(struct jffs2_sb_info *c, struct jffs2_er
         return 0;
 }
 
-static int jffs2_garbage_collect_deletion_dirent(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, 
+static int jffs2_garbage_collect_deletion_dirent(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb,
                                         struct jffs2_inode_info *f, struct jffs2_full_dirent *fd)
 {
         struct jffs2_full_dirent **fdp = &f->dents;
@@ -843,7 +843,7 @@ static int jffs2_garbage_collect_deletion_dirent(struct jffs2_sb_info *c, struct
                         if (ref_totlen(c, NULL, raw) != rawlen)
                                 continue;
 
-                        /* Doesn't matter if there's one in the same erase block. We're going to 
+                        /* Doesn't matter if there's one in the same erase block. We're going to
                            delete it too at the same time. */
                         if (SECTOR_ADDR(raw->flash_offset) == SECTOR_ADDR(fd->raw->flash_offset))
                                 continue;
@@ -895,7 +895,7 @@ static int jffs2_garbage_collect_deletion_dirent(struct jffs2_sb_info *c, struct
                 kfree(rd);
         }
 
-        /* FIXME: If we're deleting a dirent which contains the current mtime and ctime, 
+        /* FIXME: If we're deleting a dirent which contains the current mtime and ctime,
            we should update the metadata node with those times accordingly */
 
         /* No need for it any more. Just mark it obsolete and remove it from the list */
@@ -927,13 +927,13 @@ static int jffs2_garbage_collect_hole(struct jffs2_sb_info *c, struct jffs2_eras
 
         D1(printk(KERN_DEBUG "Writing replacement hole node for ino #%u from offset 0x%x to 0x%x\n",
                   f->inocache->ino, start, end));
-        
+
         memset(&ri, 0, sizeof(ri));
 
         if(fn->frags > 1) {
                 size_t readlen;
                 uint32_t crc;
-                /* It's partially obsoleted by a later write. So we have to 
+                /* It's partially obsoleted by a later write. So we have to
                    write it out again with the _same_ version as before */
                 ret = jffs2_flash_read(c, ref_offset(fn->raw), sizeof(ri), &readlen, (char *)&ri);
                 if (readlen != sizeof(ri) || ret) {
@@ -955,16 +955,16 @@ static int jffs2_garbage_collect_hole(struct jffs2_sb_info *c, struct jffs2_eras
                 crc = crc32(0, &ri, sizeof(ri)-8);
                 if (crc != je32_to_cpu(ri.node_crc)) {
                         printk(KERN_WARNING "jffs2_garbage_collect_hole: Node at 0x%08x had CRC 0x%08x which doesn't match calculated CRC 0x%08x\n",
-                               ref_offset(fn->raw), 
+                               ref_offset(fn->raw),
                                je32_to_cpu(ri.node_crc), crc);
                         /* FIXME: We could possibly deal with this by writing new holes for each frag */
-                        printk(KERN_WARNING "Data in the range 0x%08x to 0x%08x of inode #%u will be lost\n", 
+                        printk(KERN_WARNING "Data in the range 0x%08x to 0x%08x of inode #%u will be lost\n",
                                start, end, f->inocache->ino);
                         goto fill;
                 }
                 if (ri.compr != JFFS2_COMPR_ZERO) {
                         printk(KERN_WARNING "jffs2_garbage_collect_hole: Node 0x%08x wasn't a hole node!\n", ref_offset(fn->raw));
-                        printk(KERN_WARNING "Data in the range 0x%08x to 0x%08x of inode #%u will be lost\n", 
+                        printk(KERN_WARNING "Data in the range 0x%08x to 0x%08x of inode #%u will be lost\n",
                                start, end, f->inocache->ino);
                         goto fill;
                 }
@@ -982,7 +982,7 @@ static int jffs2_garbage_collect_hole(struct jffs2_sb_info *c, struct jffs2_eras
                 ri.csize = cpu_to_je32(0);
                 ri.compr = JFFS2_COMPR_ZERO;
         }
-        
+
         frag = frag_last(&f->fragtree);
         if (frag)
                 /* Fetch the inode length from the fragtree rather then
@@ -1024,10 +1024,10 @@ static int jffs2_garbage_collect_hole(struct jffs2_sb_info *c, struct jffs2_eras
                 return 0;
         }
 
-        /* 
+        /*
          * We should only get here in the case where the node we are
          * replacing had more than one frag, so we kept the same version
-         * number as before. (Except in case of error -- see 'goto fill;' 
+         * number as before. (Except in case of error -- see 'goto fill;'
          * above.)
          */
         D1(if(unlikely(fn->frags <= 1)) {
@@ -1039,7 +1039,7 @@ static int jffs2_garbage_collect_hole(struct jffs2_sb_info *c, struct jffs2_eras
         /* This is a partially-overlapped hole node. Mark it REF_NORMAL not REF_PRISTINE */
         mark_ref_normal(new_fn->raw);
 
-        for (frag = jffs2_lookup_node_frag(&f->fragtree, fn->ofs); 
+        for (frag = jffs2_lookup_node_frag(&f->fragtree, fn->ofs);
              frag; frag = frag_next(frag)) {
                 if (frag->ofs > fn->size + fn->ofs)
                         break;
@@ -1057,10 +1057,10 @@ static int jffs2_garbage_collect_hole(struct jffs2_sb_info *c, struct jffs2_eras
                 printk(KERN_WARNING "jffs2_garbage_collect_hole: New node has no frags!\n");
                 BUG();
         }
-                
+
         jffs2_mark_node_obsolete(c, fn->raw);
         jffs2_free_full_dnode(fn);
-        
+
         return 0;
 }
 
@@ -1070,12 +1070,12 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era
 {
         struct jffs2_full_dnode *new_fn;
         struct jffs2_raw_inode ri;
-        uint32_t alloclen, phys_ofs, offset, orig_end, orig_start;      
+        uint32_t alloclen, phys_ofs, offset, orig_end, orig_start;
         int ret = 0;
         unsigned char *comprbuf = NULL, *writebuf;
         unsigned long pg;
         unsigned char *pg_ptr;
- 
+
         memset(&ri, 0, sizeof(ri));
 
         D1(printk(KERN_DEBUG "Writing replacement dnode for ino #%u from offset 0x%x to 0x%x\n",
@@ -1087,8 +1087,8 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era
         if (c->nr_free_blocks + c->nr_erasing_blocks > c->resv_blocks_gcmerge) {
                 /* Attempt to do some merging. But only expand to cover logically
                    adjacent frags if the block containing them is already considered
-                   to be dirty. Otherwise we end up with GC just going round in 
-                   circles dirtying the nodes it already wrote out, especially 
+                   to be dirty. Otherwise we end up with GC just going round in
+                   circles dirtying the nodes it already wrote out, especially
                    on NAND where we have small eraseblocks and hence a much higher
                    chance of nodes having to be split to cross boundaries. */
 
@@ -1122,7 +1122,7 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era
                                 break;
                         } else {
 
-                                /* OK, it's a frag which extends to the beginning of the page. Does it live 
+                                /* OK, it's a frag which extends to the beginning of the page. Does it live
                                    in a block which is still considered clean? If so, don't obsolete it.
                                    If not, cover it anyway. */
 
@@ -1172,7 +1172,7 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era
                                 break;
                         } else {
 
-                                /* OK, it's a frag which extends to the beginning of the page. Does it live 
+                                /* OK, it's a frag which extends to the beginning of the page. Does it live
                                    in a block which is still considered clean? If so, don't obsolete it.
                                    If not, cover it anyway. */
 
@@ -1199,14 +1199,14 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era
                                 break;
                         }
                 }
-                D1(printk(KERN_DEBUG "Expanded dnode to write from (0x%x-0x%x) to (0x%x-0x%x)\n", 
+                D1(printk(KERN_DEBUG "Expanded dnode to write from (0x%x-0x%x) to (0x%x-0x%x)\n",
                           orig_start, orig_end, start, end));
 
                 D1(BUG_ON(end > frag_last(&f->fragtree)->ofs + frag_last(&f->fragtree)->size));
                 BUG_ON(end < orig_end);
                 BUG_ON(start > orig_start);
         }
-        
+
         /* First, use readpage() to read the appropriate page into the page cache */
         /* Q: What happens if we actually try to GC the _same_ page for which commit_write()
          *    triggered garbage collection in the first place?
@@ -1263,7 +1263,7 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era
                 ri.usercompr = (comprtype >> 8) & 0xff;
                 ri.node_crc = cpu_to_je32(crc32(0, &ri, sizeof(ri)-8));
                 ri.data_crc = cpu_to_je32(crc32(0, comprbuf, cdatalen));
-        
+
                 new_fn = jffs2_write_dnode(c, f, &ri, comprbuf, cdatalen, phys_ofs, ALLOC_GC);
 
                 jffs2_free_comprbuf(comprbuf, writebuf);