diff options
| author | Mark Brown <broonie@kernel.org> | 2023-12-04 12:31:42 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-12-04 12:31:42 +0000 |
| commit | 06891af2709b5dfa4081ff1f07b9f4c2743834b7 (patch) | |
| tree | 672f337b94d3af79268a54b5307af1392f708a1a /fs/inode.c | |
| parent | 7a030abc0185b30a3fd19a7431347c6f5a82c588 (diff) | |
| parent | 9b2ef250b31d46f7ef522bd1bd84942f998bb3f9 (diff) | |
spi: spl022: fix sleeping in interrupt context
Merge series from Nam Cao <namcao@linutronix.de>:
While running the spl022, I got the following warning:
BUG: sleeping function called from invalid context at drivers/spi/spi.c:1428
This is because between spi transfers, spi_transfer_delay_exec() (who
may sleep if the delay is >10us) is called in interrupt context. This is
a problem for anyone who runs this driver and need more than 10us delay.
Patch 1 adds an error reporting mechanism, needed by patch 2 who switch
to use the default spi_transfer_one_message(), which fix the problem.
The series is tested with polling transfer mode and interrupt transfer
mode. I can't test the DMA mode, so some help testing here is very
appreciated.
Diffstat (limited to 'fs/inode.c')
| -rw-r--r-- | fs/inode.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/inode.c b/fs/inode.c index edcd8a61975f..f238d987dec9 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -215,6 +215,8 @@ int inode_init_always(struct super_block *sb, struct inode *inode) lockdep_set_class_and_name(&mapping->invalidate_lock, &sb->s_type->invalidate_lock_key, "mapping.invalidate_lock"); + if (sb->s_iflags & SB_I_STABLE_WRITES) + mapping_set_stable_writes(mapping); inode->i_private = NULL; inode->i_mapping = mapping; INIT_HLIST_HEAD(&inode->i_dentry); /* buggered by rcu freeing */ |