On Wed, 02 Oct 2019 20:47:03 +0530, Saiyam Doshi said: > fs_sync() is wrapper to bdev_sync(). When fs_sync is called with > non-zero argument, bdev_sync gets called. > > Most instances of fs_sync is called with false and very few with > true. Refactor this and makes direct call to bdev_sync() where > needed and removes fs_sync definition.
Did you do an actual analysis of where bdev_sync() *should*
be called?
The note in the TODO was intended to point out that many of the calls
are called with 'false' and probably should not be.
#ifdef CONFIG_EXFAT_DELAYED_SYNC
- fs_sync(sb, false);
fs_set_vol_flags(sb, VOL_CLEAN);
#endif
Consider - with this patch, we are now setting the volume state to clean - but
we've not actually flushed the filesystem to disk, which means it's almost
guaranteed that the file system is *NOT* in fact clean.
Changing all the 'false' that happen before a VOL_CLEAN to 'true' is
probably more correct - but still totally wrong if DELAYED_SYNC isn't defined
because then we *aren't* syncing to disk at all.
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