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-rw-r--r--fs/file_table.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/file_table.c b/fs/file_table.c
index 40bf466..385bfd3 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -175,6 +175,12 @@ struct file *alloc_file(struct path *path, fmode_t mode,
file->f_path = *path;
file->f_inode = path->dentry->d_inode;
file->f_mapping = path->dentry->d_inode->i_mapping;
+ if ((mode & FMODE_READ) &&
+ likely(fop->read || fop->aio_read || fop->read_iter))
+ mode |= FMODE_CAN_READ;
+ if ((mode & FMODE_WRITE) &&
+ likely(fop->write || fop->aio_write || fop->write_iter))
+ mode |= FMODE_CAN_WRITE;
file->f_mode = mode;
file->f_op = fop;
if ((mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ)
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