Messages in this thread Patch in this message | | | From | Tejun Heo <> | Subject | [PATCH 1/5] kernfs: make kernfs_open_file->mmapped a bitfield | Date | Tue, 20 Dec 2016 11:12:18 -0500 |
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More kernfs_open_file->mutex synchronized flags are planned to be added. Convert ->mmapped to a bitfield in preparation.
While at it, make kernfs_fop_mmap() use "true" instead of "1" on ->mmapped.
Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- fs/kernfs/file.c | 2 +- include/linux/kernfs.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c index 78219d5..d0b6fb1 100644 --- a/fs/kernfs/file.c +++ b/fs/kernfs/file.c @@ -516,7 +516,7 @@ static int kernfs_fop_mmap(struct file *file, struct vm_area_struct *vma) goto out_put; rc = 0; - of->mmapped = 1; + of->mmapped = true; of->vm_ops = vma->vm_ops; vma->vm_ops = &kernfs_vm_ops; out_put: diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h index 7056238..afd4e5a 100644 --- a/include/linux/kernfs.h +++ b/include/linux/kernfs.h @@ -185,7 +185,7 @@ struct kernfs_open_file { char *prealloc_buf; size_t atomic_write_len; - bool mmapped; + bool mmapped:1; const struct vm_operations_struct *vm_ops; }; -- 2.9.3
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