ceph: uninline the data on a file opened for writing

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If a ceph file is made up of inline data, uninline that in the ceph_open()
rather than in ceph_page_mkwrite(), ceph_write_iter(), ceph_fallocate() or
ceph_write_begin().

This makes it easier to convert to using the netfs library for VM write
hooks.

Should this also take the inode lock for the duration on uninlining to
prevent a race with truncation?

[ jlayton: fix up folio locking, update i_inline_version after write ]

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

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This commit is contained in:

David Howells 2021-12-15 23:48:33 +00:00 • committed by Ilya Dryomov

parent 5b19f1eba4

commit 083db6fd3e

3 changed files with 64 additions and 124 deletions

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154

fs/ceph/addr.c

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32

fs/ceph/file.c

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2

fs/ceph/super.h

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