diff options
Diffstat (limited to 'fs/xfs/xfs_icache.c')
| -rw-r--r-- | fs/xfs/xfs_icache.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index f35e2cee5265..ddeaccc04aec 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -1853,12 +1853,20 @@ xfs_inodegc_worker( struct xfs_inodegc, work); struct llist_node *node = llist_del_all(&gc->list); struct xfs_inode *ip, *n; + unsigned int nofs_flag; WRITE_ONCE(gc->items, 0); if (!node) return; + /* + * We can allocate memory here while doing writeback on behalf of + * memory reclaim. To avoid memory allocation deadlocks set the + * task-wide nofs context for the following operations. + */ + nofs_flag = memalloc_nofs_save(); + ip = llist_entry(node, struct xfs_inode, i_gclist); trace_xfs_inodegc_worker(ip->i_mount, READ_ONCE(gc->shrinker_hits)); @@ -1867,6 +1875,8 @@ xfs_inodegc_worker( xfs_iflags_set(ip, XFS_INACTIVATING); xfs_inodegc_inactivate(ip); } + + memalloc_nofs_restore(nofs_flag); } /* |