diff options
Diffstat (limited to 'fs/inode.c')
| -rw-r--r-- | fs/inode.c | 27 |
1 files changed, 17 insertions, 10 deletions
@@ -135,8 +135,8 @@ int inode_init_always(struct super_block *sb, struct inode *inode) inode->i_fop = &empty_fops; inode->__i_nlink = 1; inode->i_opflags = 0; - inode->i_uid = 0; - inode->i_gid = 0; + i_uid_write(inode, 0); + i_gid_write(inode, 0); atomic_set(&inode->i_writecount, 0); inode->i_size = 0; inode->i_blocks = 0; @@ -486,7 +486,7 @@ void __remove_inode_hash(struct inode *inode) } EXPORT_SYMBOL(__remove_inode_hash); -void end_writeback(struct inode *inode) +void clear_inode(struct inode *inode) { might_sleep(); /* @@ -500,11 +500,10 @@ void end_writeback(struct inode *inode) BUG_ON(!list_empty(&inode->i_data.private_list)); BUG_ON(!(inode->i_state & I_FREEING)); BUG_ON(inode->i_state & I_CLEAR); - inode_sync_wait(inode); /* don't need i_lock here, no concurrent mods to i_state */ inode->i_state = I_FREEING | I_CLEAR; } -EXPORT_SYMBOL(end_writeback); +EXPORT_SYMBOL(clear_inode); /* * Free the inode passed in, removing it from the lists it is still connected @@ -531,12 +530,20 @@ static void evict(struct inode *inode) inode_sb_list_del(inode); + /* + * Wait for flusher thread to be done with the inode so that filesystem + * does not start destroying it while writeback is still running. Since + * the inode has I_FREEING set, flusher thread won't start new work on + * the inode. We just have to wait for running writeback to finish. + */ + inode_wait_for_writeback(inode); + if (op->evict_inode) { op->evict_inode(inode); } else { if (inode->i_data.nrpages) truncate_inode_pages(&inode->i_data, 0); - end_writeback(inode); + clear_inode(inode); } if (S_ISBLK(inode->i_mode) && inode->i_bdev) bd_forget(inode); @@ -1647,6 +1654,7 @@ void __init inode_init_early(void) HASH_EARLY, &i_hash_shift, &i_hash_mask, + 0, 0); for (loop = 0; loop < (1U << i_hash_shift); loop++) @@ -1677,6 +1685,7 @@ void __init inode_init(void) 0, &i_hash_shift, &i_hash_mask, + 0, 0); for (loop = 0; loop < (1U << i_hash_shift); loop++) @@ -1732,11 +1741,9 @@ EXPORT_SYMBOL(inode_init_owner); */ bool inode_owner_or_capable(const struct inode *inode) { - struct user_namespace *ns = inode_userns(inode); - - if (current_user_ns() == ns && current_fsuid() == inode->i_uid) + if (uid_eq(current_fsuid(), inode->i_uid)) return true; - if (ns_capable(ns, CAP_FOWNER)) + if (inode_capable(inode, CAP_FOWNER)) return true; return false; } |
