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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2021-10-28 16:24:39 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:09:15 -0400 |
| commit | 41f9b7d39fb11c9f306809681bb6991ac96f9b2e (patch) | |
| tree | 7d5ca41936a26cee5f184f822cadb75c928e8ad1 /fs/bcachefs/fs.c | |
| parent | 8325cd1ed480633651edd33fbb5f3be16c4afa47 (diff) | |
| download | lwn-41f9b7d39fb11c9f306809681bb6991ac96f9b2e.tar.gz lwn-41f9b7d39fb11c9f306809681bb6991ac96f9b2e.zip | |
bcachefs: Move bch2_evict_subvolume_inodes() to fs.c
This fixes building in userspace - code that's coupled to the kernel VFS
interface should live in fs.c
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Diffstat (limited to 'fs/bcachefs/fs.c')
| -rw-r--r-- | fs/bcachefs/fs.c | 54 |
1 files changed, 47 insertions, 7 deletions
diff --git a/fs/bcachefs/fs.c b/fs/bcachefs/fs.c index c325e5c4325c..7647e117013d 100644 --- a/fs/bcachefs/fs.c +++ b/fs/bcachefs/fs.c @@ -1292,12 +1292,6 @@ static int bch2_vfs_write_inode(struct inode *vinode, return ret; } -static int bch2_drop_inode(struct inode *vinode) -{ - - return generic_drop_inode(vinode); -} - static void bch2_evict_inode(struct inode *vinode) { struct bch_fs *c = vinode->i_sb->s_fs_info; @@ -1318,6 +1312,53 @@ static void bch2_evict_inode(struct inode *vinode) } } +void bch2_evict_subvolume_inodes(struct bch_fs *c, + struct snapshot_id_list *s) +{ + struct super_block *sb = c->vfs_sb; + struct inode *inode; + + spin_lock(&sb->s_inode_list_lock); + list_for_each_entry(inode, &sb->s_inodes, i_sb_list) { + if (!snapshot_list_has_id(s, to_bch_ei(inode)->ei_subvol) || + (inode->i_state & I_FREEING)) + continue; + + d_mark_dontcache(inode); + d_prune_aliases(inode); + } + spin_unlock(&sb->s_inode_list_lock); +again: + cond_resched(); + spin_lock(&sb->s_inode_list_lock); + list_for_each_entry(inode, &sb->s_inodes, i_sb_list) { + if (!snapshot_list_has_id(s, to_bch_ei(inode)->ei_subvol) || + (inode->i_state & I_FREEING)) + continue; + + if (!(inode->i_state & I_DONTCACHE)) { + d_mark_dontcache(inode); + d_prune_aliases(inode); + } + + spin_lock(&inode->i_lock); + if (snapshot_list_has_id(s, to_bch_ei(inode)->ei_subvol) && + !(inode->i_state & I_FREEING)) { + wait_queue_head_t *wq = bit_waitqueue(&inode->i_state, __I_NEW); + DEFINE_WAIT_BIT(wait, &inode->i_state, __I_NEW); + prepare_to_wait(wq, &wait.wq_entry, TASK_UNINTERRUPTIBLE); + spin_unlock(&inode->i_lock); + spin_unlock(&sb->s_inode_list_lock); + schedule(); + finish_wait(wq, &wait.wq_entry); + goto again; + } + + spin_unlock(&inode->i_lock); + } + spin_unlock(&sb->s_inode_list_lock); +} + static int bch2_statfs(struct dentry *dentry, struct kstatfs *buf) { struct super_block *sb = dentry->d_sb; @@ -1502,7 +1543,6 @@ static const struct super_operations bch_super_operations = { .alloc_inode = bch2_alloc_inode, .destroy_inode = bch2_destroy_inode, .write_inode = bch2_vfs_write_inode, - .drop_inode = bch2_drop_inode, .evict_inode = bch2_evict_inode, .sync_fs = bch2_sync_fs, .statfs = bch2_statfs, |