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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 11:26:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 11:26:52 -0700
commit5f248c9c251c60af3403902b26e08de43964ea0b (patch)
tree6d3328e72a7e4015a64017eb30be18095c6a3c64 /fs/ext3/inode.c
parentf6cec0ae58c17522a7bc4e2f39dae19f199ab534 (diff)
parentdca332528bc69e05f67161e1ed59929633d5e63d (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (96 commits) no need for list_for_each_entry_safe()/resetting with superblock list Fix sget() race with failing mount vfs: don't hold s_umount over close_bdev_exclusive() call sysv: do not mark superblock dirty on remount sysv: do not mark superblock dirty on mount btrfs: remove junk sb_dirt change BFS: clean up the superblock usage AFFS: wait for sb synchronization when needed AFFS: clean up dirty flag usage cifs: truncate fallout mbcache: fix shrinker function return value mbcache: Remove unused features add f_flags to struct statfs(64) pass a struct path to vfs_statfs update VFS documentation for method changes. All filesystems that need invalidate_inode_buffers() are doing that explicitly convert remaining ->clear_inode() to ->evict_inode() Make ->drop_inode() just return whether inode needs to be dropped fs/inode.c:clear_inode() is gone fs/inode.c:evict() doesn't care about delete vs. non-delete paths now ... Fix up trivial conflicts in fs/nilfs2/super.c
Diffstat (limited to 'fs/ext3/inode.c')
-rw-r--r--fs/ext3/inode.c63
1 files changed, 49 insertions, 14 deletions
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 001eb0e2d48..5e0faf4cda7 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -190,18 +190,28 @@ static int truncate_restart_transaction(handle_t *handle, struct inode *inode)
}
/*
- * Called at the last iput() if i_nlink is zero.
+ * Called at inode eviction from icache
*/
-void ext3_delete_inode (struct inode * inode)
+void ext3_evict_inode (struct inode *inode)
{
+ struct ext3_block_alloc_info *rsv;
handle_t *handle;
+ int want_delete = 0;
- if (!is_bad_inode(inode))
+ if (!inode->i_nlink && !is_bad_inode(inode)) {
dquot_initialize(inode);
+ want_delete = 1;
+ }
truncate_inode_pages(&inode->i_data, 0);
- if (is_bad_inode(inode))
+ ext3_discard_reservation(inode);
+ rsv = EXT3_I(inode)->i_block_alloc_info;
+ EXT3_I(inode)->i_block_alloc_info = NULL;
+ if (unlikely(rsv))
+ kfree(rsv);
+
+ if (!want_delete)
goto no_delete;
handle = start_transaction(inode);
@@ -238,15 +248,22 @@ void ext3_delete_inode (struct inode * inode)
* having errors), but we can't free the inode if the mark_dirty
* fails.
*/
- if (ext3_mark_inode_dirty(handle, inode))
- /* If that failed, just do the required in-core inode clear. */
- clear_inode(inode);
- else
+ if (ext3_mark_inode_dirty(handle, inode)) {
+ /* If that failed, just dquot_drop() and be done with that */
+ dquot_drop(inode);
+ end_writeback(inode);
+ } else {
+ ext3_xattr_delete_inode(handle, inode);
+ dquot_free_inode(inode);
+ dquot_drop(inode);
+ end_writeback(inode);
ext3_free_inode(handle, inode);
+ }
ext3_journal_stop(handle);
return;
no_delete:
- clear_inode(inode); /* We must guarantee clearing of inode... */
+ end_writeback(inode);
+ dquot_drop(inode);
}
typedef struct {
@@ -1212,8 +1229,7 @@ retry:
ret = PTR_ERR(handle);
goto out;
}
- ret = block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
- ext3_get_block);
+ ret = __block_write_begin(page, pos, len, ext3_get_block);
if (ret)
goto write_begin_failed;
@@ -1798,6 +1814,17 @@ retry:
ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
offset, nr_segs,
ext3_get_block, NULL);
+ /*
+ * In case of error extending write may have instantiated a few
+ * blocks outside i_size. Trim these off again.
+ */
+ if (unlikely((rw & WRITE) && ret < 0)) {
+ loff_t isize = i_size_read(inode);
+ loff_t end = offset + iov_length(iov, nr_segs);
+
+ if (end > isize)
+ vmtruncate(inode, isize);
+ }
if (ret == -ENOSPC && ext3_should_retry_alloc(inode->i_sb, &retries))
goto retry;
@@ -2560,7 +2587,7 @@ out_stop:
* If this was a simple ftruncate(), and the file will remain alive
* then we need to clear up the orphan record which we created above.
* However, if this was a real unlink then we were called by
- * ext3_delete_inode(), and we allow that function to clean up the
+ * ext3_evict_inode(), and we allow that function to clean up the
* orphan info for us.
*/
if (inode->i_nlink)
@@ -3204,9 +3231,17 @@ int ext3_setattr(struct dentry *dentry, struct iattr *attr)
ext3_journal_stop(handle);
}
- rc = inode_setattr(inode, attr);
+ if ((attr->ia_valid & ATTR_SIZE) &&
+ attr->ia_size != i_size_read(inode)) {
+ rc = vmtruncate(inode, attr->ia_size);
+ if (rc)
+ goto err_out;
+ }
+
+ setattr_copy(inode, attr);
+ mark_inode_dirty(inode);
- if (!rc && (ia_valid & ATTR_MODE))
+ if (ia_valid & ATTR_MODE)
rc = ext3_acl_chmod(inode);
err_out: