Changeset b2a18234 in mainline for uspace/srv/fs/minixfs/mfs_inode.c

Timestamp:

2011-07-27T10:55:19Z (13 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

e8b6b6a

Parents:

88be951e

Message:

Remove the inode_grow() function and fix support to sparse files

File:

• uspace/srv/fs/minixfs/mfs_inode.c (modified) (1 diff)

uspace/srv/fs/minixfs/mfs_inode.c

@@ -352 +352 @@
 }
 
-int
-inode_grow(struct mfs_node *mnode, size_t size_grow)
-{
-        unsigned i;
-        struct mfs_sb_info *sbi = mnode->instance->sbi;
-        struct mfs_ino_info *ino_i = mnode->ino_i;
-        const int bs = sbi->block_size;
-
-        const uint32_t old_size = ino_i->i_size;
-        const uint32_t new_size = old_size + size_grow;
-
-        assert(size_grow > 0);
-
-        /*Compute the number of zones to add to the inode*/
-        unsigned zones_to_add = 0;
-        if (old_size == 0)
-                ++zones_to_add;
-
-        zones_to_add += (new_size / bs) - (old_size / bs);
-
-        /*Compute the start zone*/
-        unsigned start_zone = old_size / bs;
-        start_zone += (old_size % bs) != 0;
-
-        int r;
-        for (i = 0; i < zones_to_add; ++i) {
-                uint32_t new_zone;
-                uint32_t dummy;
-
-                r = mfs_alloc_zone(mnode->instance, &new_zone);
-                on_error(r, return r);
-
-                block_t *b;
-                r = block_get(&b, mnode->instance->handle, new_zone,
-                              BLOCK_FLAGS_NOREAD);
-                on_error(r, return r);
-
-                memset(b->data, 0, bs);
-                b->dirty = true;
-                block_put(b);
-
-                r = write_map(mnode, (start_zone + i) * bs,
-                              new_zone, &dummy);
-
-                on_error(r, return r);
-
-                ino_i->i_size += bs;
-                ino_i->dirty = true;
-        }
-
-        ino_i->i_size = new_size;
-        ino_i->dirty = true;
-
-        return EOK;
-}
-
 /**
  * @}