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Kernel/Ext2FS: Don't hog FS lock when calling base class flush_writes()

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Once we've finalized all the file system metadata in flush_writes(),
we no longer need to hold the file system lock during the call to
BlockBasedFileSystem::flush_writes().
This commit is contained in:
Andreas Kling 2021-07-16 02:16:00 +02:00
parent 98c230b370
commit abbd237ec1
1 changed files with 43 additions and 41 deletions
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6
Kernel/FileSystem/Ext2FileSystem.cpp
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@ -688,6 +688,7 @@ void Ext2FS::flush_block_group_descriptor_table()
void Ext2FS::flush_writes()
{
{
Locker locker(m_lock);
if (m_super_block_dirty) {
flush_super_block();
@ -708,8 +709,6 @@ void Ext2FS::flush_writes()
}
}
BlockBasedFileSystem::flush_writes();
// Uncache Inodes that are only kept alive by the index-to-inode lookup cache.
// We don't uncache Inodes that are being watched by at least one InodeWatcher.
@ -733,6 +732,9 @@ void Ext2FS::flush_writes()
}
for (auto index : unused_inodes)
uncache_inode(index);
}
BlockBasedFileSystem::flush_writes();
}
Ext2FSInode::Ext2FSInode(Ext2FS& fs, InodeIndex index)