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ext4: set FMODE_CAN_ODIRECT instead of a dummy direct_IO method

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Since commit a2ad63daa8 ("VFS: add FMODE_CAN_ODIRECT file flag") file
systems can just set the FMODE_CAN_ODIRECT flag at open time instead of
wiring up a dummy direct_IO method to indicate support for direct I/O.

Signed-off-by: Christoph Hellwig <hch@lst.de>
[RH: Rebased to upstream]
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/e5797bb597219a49043e53e4e90aa494b97dc328.1709215665.git.ritesh.list@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Christoph Hellwig 2024-02-29 19:54:12 +05:30 committed by Theodore Ts'o
parent 53c17fe55a
commit a0c7cce824
2 changed files with 1 additions and 5 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
fs/ext4/file.c
View file

@ -886,7 +886,7 @@ static int ext4_file_open(struct inode *inode, struct file *filp)
}
filp->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC |
FMODE_DIO_PARALLEL_WRITE;
FMODE_DIO_PARALLEL_WRITE | FMODE_CAN_ODIRECT;
return dquot_file_open(inode, filp);
}

4
fs/ext4/inode.c
View file

@ -3530,7 +3530,6 @@ static const struct address_space_operations ext4_aops = {
.bmap = ext4_bmap,
.invalidate_folio = ext4_invalidate_folio,
.release_folio = ext4_release_folio,
.direct_IO = noop_direct_IO,
.migrate_folio = buffer_migrate_folio,
.is_partially_uptodate = block_is_partially_uptodate,
.error_remove_folio = generic_error_remove_folio,
@ -3547,7 +3546,6 @@ static const struct address_space_operations ext4_journalled_aops = {
.bmap = ext4_bmap,
.invalidate_folio = ext4_journalled_invalidate_folio,
.release_folio = ext4_release_folio,
.direct_IO = noop_direct_IO,
.migrate_folio = buffer_migrate_folio_norefs,
.is_partially_uptodate = block_is_partially_uptodate,
.error_remove_folio = generic_error_remove_folio,
@ -3564,7 +3562,6 @@ static const struct address_space_operations ext4_da_aops = {
.bmap = ext4_bmap,
.invalidate_folio = ext4_invalidate_folio,
.release_folio = ext4_release_folio,
.direct_IO = noop_direct_IO,
.migrate_folio = buffer_migrate_folio,
.is_partially_uptodate = block_is_partially_uptodate,
.error_remove_folio = generic_error_remove_folio,
@ -3573,7 +3570,6 @@ static const struct address_space_operations ext4_da_aops = {
static const struct address_space_operations ext4_dax_aops = {
.writepages = ext4_dax_writepages,
.direct_IO = noop_direct_IO,
.dirty_folio = noop_dirty_folio,
.bmap = ext4_bmap,
.swap_activate = ext4_iomap_swap_activate,