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* Fix unused-but-set errors in gcc-4.6Chris Ball2011-10-25
| | | | | | | | | | | | | | | | gcc-4.6 (as shipped in Fedora) turns on -Wunused-but-set-variable by default, which breaks the build when combined with -Wall, e.g.: debug-tree.c: In function ‘print_extent_leaf’: debug-tree.c:45:13: error: variable ‘last_len’ set but not used [-Werror=unused-but-set-variable] debug-tree.c:44:13: error: variable ‘last’ set but not used [-Werror=unused-but-set-variable] debug-tree.c:41:21: error: variable ‘item’ set but not used [-Werror=unused-but-set-variable] cc1: all warnings being treated as errors This patch fixes the errors by removing the unused variables. Signed-off-by: Chris Ball <cjb@laptop.org> Signed-off-by: Hugo Mills <hugo@carfax.org.uk>
* Add support for multiple devices per filesystemChris Mason2008-03-24
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* Port extent buffer to btrfs-progsYan Zheng2008-01-04
| | | | | | | This patch ports extent buffer to btrfs-progs. extent_map.c contains a simplified extent map tree and functions that manipulate/manage extent buffer. extent state related codes are based on corresponding codes in kernel module, codes that manage extent buffer are from disk-io.c.
* Create a slightly more generic extent-caching structureChris Mason2007-10-15