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authorVyacheslav Dubeyko <slava@dubeyko.com>2013-02-27 17:03:06 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-27 19:10:10 -0800
commit899bed05e9f6bbb21776f9ebd88f5631987f987a (patch)
tree3bf5ddc222085ac01f04080b0b307dd69d3f004a /fs/fat
parent324ef39a8a4f693035d63527f16100ed27310ecc (diff)
downloadlinux-899bed05e9f6bbb21776f9ebd88f5631987f987a.tar.bz2
hfsplus: fix issue with unzeroed unused b-tree nodes
The fsck_hfs (under MacOS X) complains about unzeroed unused b-tree nodes after deletion of folders' tree under Linux. SYMPTOMS: Running Disk Utiltiy's "Verify Disk" on "test" gives the following: Verifying volume “Test” Checking file systemChecking Journaled HFS Plus volume. Checking extents overflow file. Checking catalog file. Unused node is not erased (node = 3111) Checking multi-linked files. Checking catalog hierarchy. Checking extended attributes file. Checking volume bitmap. Checking volume information. The volume Test was found corrupt and needs to be repaired. Error: This disk needs to be repaired. Click Repair Disk. REPRODUCING PATH: 1. Prepare HFS+ (non-case sensitive) partition (for example, 5GB) under MacOS X. 2. Copy linux kernel source tree (for example, 3.7-rc6 version) on this partition under MacOS X. 3. Then switch to Linux and mount this prepared partition. 4. Execute `sudo rm -r` under prepared directory with linux kernel source tree. 5. Unmount and boot back into OS X. 6. Open up Disk Utility and verify partition. REPRODUCIBILITY: 100% FIX: It is added code of node clearing in hfs_bnode_put() method for the case when node has flag HFS_BNODE_DELETED. Signed-off-by: Vyacheslav Dubeyko <slava@dubeyko.com> Reported-by: Kyle Laracey <kalaracey@gmail.com> Acked-by: Hin-Tak Leung <htl10@users.sourceforge.net> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Cc: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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