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authorTrond Myklebust <trondmy@gmail.com>2020-01-06 15:25:00 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-14 16:34:10 -0500
commit1ef47a06d2d4b7b16e5ef0f18754040da50f1f36 (patch)
tree2db39d4b5ba4790e522c14a7c0c15163c15864b8 /fs/nfs/write.c
parentb7560b5b72a2f537f8e1fb17a5021cfee089b247 (diff)
NFS: Revalidate the file size on a fatal write error
commit 0df68ced55443243951d02cc497be31fadf28173 upstream. If we suffer a fatal error upon writing a file, which causes us to need to revalidate the entire mapping, then we should also revalidate the file size. Fixes: d2ceb7e57086 ("NFS: Don't use page_file_mapping after removing the page") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/nfs/write.c')
-rw-r--r--fs/nfs/write.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 52cab65f91cf..f5170bc839aa 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -243,7 +243,15 @@ out:
/* A writeback failed: mark the page as bad, and invalidate the page cache */
static void nfs_set_pageerror(struct address_space *mapping)
{
+ struct inode *inode = mapping->host;
+
nfs_zap_mapping(mapping->host, mapping);
+ /* Force file size revalidation */
+ spin_lock(&inode->i_lock);
+ NFS_I(inode)->cache_validity |= NFS_INO_REVAL_FORCED |
+ NFS_INO_REVAL_PAGECACHE |
+ NFS_INO_INVALID_SIZE;
+ spin_unlock(&inode->i_lock);
}
static void nfs_mapping_set_error(struct page *page, int error)