Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

[karo-tx-linux.git] / fs / reiserfs / inode.c

diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 1a8a1bf2154d10475a0bacc89b085070587d48d6..ffa34b861bdb8c4d3db90d223a329a0abdd1e0e5 100644 (file)
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -32,6 +32,7 @@ void reiserfs_delete_inode(struct inode *inode)
            JOURNAL_PER_BALANCE_CNT * 2 +
            2 * REISERFS_QUOTA_INIT_BLOCKS(inode->i_sb);
        struct reiserfs_transaction_handle th;
+       int err;
 
        truncate_inode_pages(&inode->i_data, 0);
 
@@ -39,32 +40,36 @@ void reiserfs_delete_inode(struct inode *inode)
 
        /* The = 0 happens when we abort creating a new inode for some reason like lack of space.. */
        if (!(inode->i_state & I_NEW) && INODE_PKEY(inode)->k_objectid != 0) {  /* also handles bad_inode case */
-               down(&inode->i_sem);
+               mutex_lock(&inode->i_mutex);
 
                reiserfs_delete_xattrs(inode);
 
                if (journal_begin(&th, inode->i_sb, jbegin_count)) {
-                       up(&inode->i_sem);
+                       mutex_unlock(&inode->i_mutex);
                        goto out;
                }
                reiserfs_update_inode_transaction(inode);
 
-               if (reiserfs_delete_object(&th, inode)) {
-                       up(&inode->i_sem);
-                       goto out;
-               }
+               err = reiserfs_delete_object(&th, inode);
 
                /* Do quota update inside a transaction for journaled quotas. We must do that
                 * after delete_object so that quota updates go into the same transaction as
                 * stat data deletion */
-               DQUOT_FREE_INODE(inode);
+               if (!err) 
+                       DQUOT_FREE_INODE(inode);
 
                if (journal_end(&th, inode->i_sb, jbegin_count)) {
-                       up(&inode->i_sem);
+                       mutex_unlock(&inode->i_mutex);
                        goto out;
                }
 
-               up(&inode->i_sem);
+               mutex_unlock(&inode->i_mutex);
+
+               /* check return value from reiserfs_delete_object after
+                * ending the transaction
+                */
+               if (err)
+                   goto out;
 
                /* all items of file are deleted, so we can remove "save" link */
                remove_save_link(inode, 0 /* not truncate */ ); /* we can't do anything
@@ -546,7 +551,7 @@ static int convert_tail_for_hole(struct inode *inode,
 
        /* we don't have to make sure the conversion did not happen while
         ** we were locking the page because anyone that could convert
-        ** must first take i_sem.
+        ** must first take i_mutex.
         **
         ** We must fix the tail page for writing because it might have buffers
         ** that are mapped, but have a block number of 0.  This indicates tail
@@ -581,7 +586,7 @@ static inline int _allocate_block(struct reiserfs_transaction_handle *th,
        BUG_ON(!th->t_trans_id);
 
 #ifdef REISERFS_PREALLOCATE
-       if (!(flags & GET_BLOCK_NO_ISEM)) {
+       if (!(flags & GET_BLOCK_NO_IMUX)) {
                return reiserfs_new_unf_blocknrs2(th, inode, allocated_block_nr,
                                                  path, block);
        }
@@ -2099,6 +2104,7 @@ int reiserfs_truncate_file(struct inode *p_s_inode, int update_timestamps)
        struct page *page = NULL;
        int error;
        struct buffer_head *bh = NULL;
+       int err2;
 
        reiserfs_write_lock(p_s_inode->i_sb);
 
@@ -2136,14 +2142,18 @@ int reiserfs_truncate_file(struct inode *p_s_inode, int update_timestamps)
                   transaction of truncating gets committed - on reboot the file
                   either appears truncated properly or not truncated at all */
                add_save_link(&th, p_s_inode, 1);
-       error = reiserfs_do_truncate(&th, p_s_inode, page, update_timestamps);
-       if (error)
-               goto out;
+       err2 = reiserfs_do_truncate(&th, p_s_inode, page, update_timestamps);
        error =
            journal_end(&th, p_s_inode->i_sb, JOURNAL_PER_BALANCE_CNT * 2 + 1);
        if (error)
                goto out;
 
+       /* check reiserfs_do_truncate after ending the transaction */
+       if (err2) {
+               error = err2;
+               goto out;
+       }
+       
        if (update_timestamps) {
                error = remove_save_link(p_s_inode, 1 /* truncate */ );
                if (error)
@@ -2194,7 +2204,7 @@ static int map_block_for_writepage(struct inode *inode,
        INITIALIZE_PATH(path);
        int pos_in_item;
        int jbegin_count = JOURNAL_PER_BALANCE_CNT;
-       loff_t byte_offset = (block << inode->i_sb->s_blocksize_bits) + 1;
+       loff_t byte_offset = ((loff_t)block << inode->i_sb->s_blocksize_bits)+1;
        int retval;
        int use_get_block = 0;
        int bytes_copied = 0;
@@ -2308,7 +2318,7 @@ static int map_block_for_writepage(struct inode *inode,
        /* this is where we fill in holes in the file. */
        if (use_get_block) {
                retval = reiserfs_get_block(inode, block, bh_result,
-                                           GET_BLOCK_CREATE | GET_BLOCK_NO_ISEM
+                                           GET_BLOCK_CREATE | GET_BLOCK_NO_IMUX
                                            | GET_BLOCK_NO_DANGLE);
                if (!retval) {
                        if (!buffer_mapped(bh_result)
@@ -2639,6 +2649,12 @@ static int reiserfs_commit_write(struct file *f, struct page *page,
                }
                reiserfs_update_inode_transaction(inode);
                inode->i_size = pos;
+               /*
+                * this will just nest into our transaction.  It's important
+                * to use mark_inode_dirty so the inode gets pushed around on the
+                * dirty lists, and so that O_SYNC works as expected
+                */
+               mark_inode_dirty(inode);
                reiserfs_update_sd(&myth, inode);
                update_sd = 1;
                ret = journal_end(&myth, inode->i_sb, 1);
@@ -2649,21 +2665,13 @@ static int reiserfs_commit_write(struct file *f, struct page *page,
        if (th) {
                reiserfs_write_lock(inode->i_sb);
                if (!update_sd)
-                       reiserfs_update_sd(th, inode);
+                       mark_inode_dirty(inode);
                ret = reiserfs_end_persistent_transaction(th);
                reiserfs_write_unlock(inode->i_sb);
                if (ret)
                        goto out;
        }
 
-       /* we test for O_SYNC here so we can commit the transaction
-        ** for any packed tails the file might have had
-        */
-       if (f && (f->f_flags & O_SYNC)) {
-               reiserfs_write_lock(inode->i_sb);
-               ret = reiserfs_commit_for_inode(inode);
-               reiserfs_write_unlock(inode->i_sb);
-       }
       out:
        return ret;
 
@@ -2844,7 +2852,7 @@ static int reiserfs_set_page_dirty(struct page *page)
  * even in -o notail mode, we can't be sure an old mount without -o notail
  * didn't create files with tails.
  */
-static int reiserfs_releasepage(struct page *page, int unused_gfp_flags)
+static int reiserfs_releasepage(struct page *page, gfp_t unused_gfp_flags)
 {
        struct inode *inode = page->mapping->host;
        struct reiserfs_journal *j = SB_JOURNAL(inode->i_sb);