| Submitter | Lukas Czerner |
|---|---|
| Date | June 29, 2012, 10:56 a.m. |
| Message ID | <1340967370-13728-3-git-send-email-lczerner@redhat.com> |
| Download | mbox | patch |
| Permalink | /patch/168039/ |
| State | Superseded |
| Headers | show |
Comments
Patch
diff --git a/mm/shmem.c b/mm/shmem.c index a15a466..470ee75 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2960,7 +2960,8 @@ void shmem_unlock_mapping(struct address_space *mapping) void shmem_truncate_range(struct inode *inode, loff_t lstart, loff_t lend) { - truncate_inode_pages_range(inode->i_mapping, lstart, lend); + truncate_inode_pages_range(inode->i_mapping, lstart, + lend == -1 ? LLONG_MAX : last); } EXPORT_SYMBOL_GPL(shmem_truncate_range);
Currently we're passing -1 to shmem_truncate_range which can then call truncate_inode_pages_range() which is actually really confusing since the argument is signed so we do not get "huge" number as one would expect, but rather just -1. To make things clearer and easier for truncate_inode_pages_range() just pass LLONG_MAX since it is actually what was intended anyway. It also makes thing easier for allowing truncate_inode_pages_range() to handle non page aligned regions. Moreover letting the lend argument to be negative might actually hide some bugs. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Cc: Hugh Dickins <hughd@google.com> --- mm/shmem.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)