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Moving bch2_extent_update() to io.c will be greatly simplified if we
no longer have to keep ei_inode.bi_size/bi_sectors up to date.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This refactoring makes the code easier to understand by separating the
bcachefs btree transactional code from the linux VFS code - but more
importantly, it's also to share code with the fuse port.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This is the start of some refactoring work to make less code depend on
the linux VFS - here the inode cache - to make e.g. the fuse port
easier.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
when iterating over reflink pointers, we use the key we just emitted to
set the iterator position - which means we have to be setting the key's
inode field as well
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
It's only updating timestamps, so this doubly doesn't make sense. fsync
will flush the journal, if necessary.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
With reflink, various code now has to handle both KEY_TYPE_extent
or KEY_TYPE_reflink_v - so, convert it to be generic across all keys
with pointers.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This will mean we don't have to use cmpxchg for modifying page state,
which will simplify a fair amount of code
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Add helptext to option definitions - so we can unify the option
handling with the format command
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
this lets us get rid of a lot of extra switch statements - in a lot of
places we dispatch on the btree node type, and then the key type, so
this is a nice cleanup across a lot of code.
Also improve the on disk format versioning stuff.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This is prep work for using deferred btree updates for inode updates -
the way inodes are done now we're relying on btree locking for ei_inode
and ei_update_lock could probably be removed, but it'll actually be
needed when we switch to deferred updates.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
ei_update_lock isn't currently needed for write inode (but it will be
needed again when deferred btree updates are used for inode updates)
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Initially forked from drivers/md/bcache, bcachefs is a new copy-on-write
filesystem with every feature you could possibly want.
Website: https://bcachefs.org
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
