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kernel
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linux
btrfs: switch BTRFS_ORDERED_* to enums
We can use simple enum for values that are not part of on-disk format:
ordered extent flags.
Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>
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fs/btrfs/ordered-data.h
+25
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fs/btrfs/ordered-data.h
···
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* rbtree, just before waking any waiters. It is used to indicate the
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* IO is done and any metadata is inserted into the tree.
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*/
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#define BTRFS_ORDERED_IO_DONE 0 /* set when all the pages are written */
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#define BTRFS_ORDERED_COMPLETE 1 /* set when removed from the tree */
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#define BTRFS_ORDERED_NOCOW 2 /* set when we want to write in place */
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#define BTRFS_ORDERED_COMPRESSED 3 /* writing a zlib compressed extent */
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#define BTRFS_ORDERED_PREALLOC 4 /* set when writing to preallocated extent */
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#define BTRFS_ORDERED_DIRECT 5 /* set when we're doing DIO with this extent */
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#define BTRFS_ORDERED_IOERR 6 /* We had an io error when writing this out */
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#define BTRFS_ORDERED_UPDATED_ISIZE 7 /* indicates whether this ordered extent
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* has done its due diligence in updating
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* the isize. */
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#define BTRFS_ORDERED_TRUNCATED 8 /* Set when we have to truncate an extent */
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#define BTRFS_ORDERED_REGULAR 10 /* Regular IO for COW */
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enum {
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/* set when all the pages are written */
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BTRFS_ORDERED_IO_DONE,
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/* set when removed from the tree */
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BTRFS_ORDERED_COMPLETE,
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/* set when we want to write in place */
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BTRFS_ORDERED_NOCOW,
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/* writing a zlib compressed extent */
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BTRFS_ORDERED_COMPRESSED,
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/* set when writing to preallocated extent */
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BTRFS_ORDERED_PREALLOC,
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/* set when we're doing DIO with this extent */
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BTRFS_ORDERED_DIRECT,
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/* We had an io error when writing this out */
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BTRFS_ORDERED_IOERR,
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/*
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* indicates whether this ordered extent has done its due diligence in
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* updating the isize
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*/
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BTRFS_ORDERED_UPDATED_ISIZE,
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/* Set when we have to truncate an extent */
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BTRFS_ORDERED_TRUNCATED,
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/* Regular IO for COW */
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BTRFS_ORDERED_REGULAR,
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};
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struct btrfs_ordered_extent {
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/* logical offset in the file */