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authorAbhi Das <adas@redhat.com>2014-09-18 21:40:28 -0500
committerSteven Whitehouse <swhiteho@redhat.com>2014-09-19 10:45:18 +0100
commit00a158be83839f2d5370612d633eb2643ddf844e (patch)
treeafa1b3a2f820fe5b88af29975fc98004dd10bcdc /fs/hfsplus
parent37504a3be90b69438426d74ccf467a9fe192932b (diff)
GFS2: fix bad inode i_goal values during block allocation
This patch checks if i_goal is either zero or if doesn't exist within any rgrp (i.e gfs2_blk2rgrpd() returns NULL). If so, it assigns the ip->i_no_addr block as the i_goal. There are two scenarios where a bad i_goal can result in a -EBADSLT error. 1. Attempting to allocate to an existing inode: Control reaches gfs2_inplace_reserve() and ip->i_goal is bad. We need to fix i_goal here. 2. A new inode is created in a directory whose i_goal is hosed: In this case, the parent dir's i_goal is copied onto the new inode. Since the new inode is not yet created, the ip->i_no_addr field is invalid and so, the fix in gfs2_inplace_reserve() as per 1) won't work in this scenario. We need to catch and fix it sooner in the parent dir itself (gfs2_create_inode()), before it is copied to the new inode. Signed-off-by: Abhi Das <adas@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/hfsplus')
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