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path: root/fs/btrfs/fiemap.c
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2024-08-26btrfs: initialize last_extent_end to fix -Wmaybe-uninitialized warning in ↵David Sterba
extent_fiemap() There's a warning (probably on some older compiler version): fs/btrfs/fiemap.c: warning: 'last_extent_end' may be used uninitialized in this function [-Wmaybe-uninitialized]: => 822:19 Initialize the variable to 0 although it's not necessary as it's either properly set or not used after an error. The called function is in the same file so this is a false alert but we want to fix all -Wmaybe-uninitialized reports. Link: https://lore.kernel.org/all/20240819070639.2558629-1-geert@linux-m68k.org/ Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: David Sterba <dsterba@suse.com>
2024-07-11btrfs: move fiemap code into its own fileFilipe Manana
Currently the core of the fiemap code lives in extent_io.c, which does not make any sense because it's not related to extent IO at all (and it was not as well before the big rewrite of fiemap I did some time ago). The entry point for fiemap, btrfs_fiemap(), lives in inode.c since it's an inode operation. Since there's a significant amount of fiemap code, move all of it into a dedicated file, including its entry point inode.c:btrfs_fiemap(). Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>