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authorChris Mason <chris.mason@oracle.com>2012-04-27 14:23:22 -0400
committerChris Mason <chris.mason@oracle.com>2012-04-27 14:23:22 -0400
commitfede766f28dd766d4e8feb321fdb19edb21ef6fb (patch)
tree86e59f6bf94ad77c2fa1b232faa8f8b63b8675cb /fs/9p/xattr.c
parent7654b72417e10e294563496e25211200f9b8b6d3 (diff)
downloadlinux-fede766f28dd766d4e8feb321fdb19edb21ef6fb.tar.bz2
Btrfs: avoid deadlocks from GFP_KERNEL allocations during btrfs_real_readdir
Btrfs has an optimization where it will preallocate dentries during readdir to fill in enough information to open the inode without an extra lookup. But, we're calling d_alloc, which is doing GFP_KERNEL allocations, and that leads to deadlocks because our readdir code has tree locks held. For now, disable this optimization. We'll fix the gfp mask in the next merge window. Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/9p/xattr.c')
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