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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-14 10:10:55 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-14 10:10:55 +0200
commitfccee0baced04636952cd580ddee4bb8cbb9544c (patch)
tree80e25c0e100246357bd0c0a93feb1bf2e5e5bd1d /fs/xfs/xfs_file.c
parenta5a6d2753e7ec18a34bd21190b50ee7f085f4daf (diff)
parent856deb866d16e29bd65952e0289066f6078af773 (diff)
Merge 5.9-rc5 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/xfs/xfs_file.c')
-rw-r--r--fs/xfs/xfs_file.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index c31cd3be9fb2..a29f78a663ca 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1223,6 +1223,14 @@ __xfs_filemap_fault(
return ret;
}
+static inline bool
+xfs_is_write_fault(
+ struct vm_fault *vmf)
+{
+ return (vmf->flags & FAULT_FLAG_WRITE) &&
+ (vmf->vma->vm_flags & VM_SHARED);
+}
+
static vm_fault_t
xfs_filemap_fault(
struct vm_fault *vmf)
@@ -1230,7 +1238,7 @@ xfs_filemap_fault(
/* DAX can shortcut the normal fault path on write faults! */
return __xfs_filemap_fault(vmf, PE_SIZE_PTE,
IS_DAX(file_inode(vmf->vma->vm_file)) &&
- (vmf->flags & FAULT_FLAG_WRITE));
+ xfs_is_write_fault(vmf));
}
static vm_fault_t
@@ -1243,7 +1251,7 @@ xfs_filemap_huge_fault(
/* DAX can shortcut the normal fault path on write faults! */
return __xfs_filemap_fault(vmf, pe_size,
- (vmf->flags & FAULT_FLAG_WRITE));
+ xfs_is_write_fault(vmf));
}
static vm_fault_t