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author | Mikulas Patocka <mpatocka@redhat.com> | 2009-10-16 23:18:16 +0100 |
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committer | Alasdair G Kergon <agk@redhat.com> | 2009-10-16 23:18:16 +0100 |
commit | 4c6fff445d7aa753957856278d4d93bcad6e2c14 (patch) | |
tree | 56ac3d262699fe5a42f76fe9f992277a6a7a2934 /net/decnet/dn_route.c | |
parent | 0e8c4e4e3ebb15756ddc4170a88149a2cd323cfe (diff) | |
download | kernel_samsung_smdk4412-4c6fff445d7aa753957856278d4d93bcad6e2c14.zip kernel_samsung_smdk4412-4c6fff445d7aa753957856278d4d93bcad6e2c14.tar.gz kernel_samsung_smdk4412-4c6fff445d7aa753957856278d4d93bcad6e2c14.tar.bz2 |
dm snapshot: lock snapshot while supplying status
This patch locks the snapshot when returning status. It fixes a race
when it could return an invalid number of free chunks if someone
was simultaneously modifying it.
Cc: stable@kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'net/decnet/dn_route.c')
0 files changed, 0 insertions, 0 deletions