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author | Fabricio Voznika <fvoznika@google.com> | 2019-05-09 15:34:44 -0700 |
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committer | Shentubot <shentubot@google.com> | 2019-05-09 15:35:49 -0700 |
commit | 1bee43be13549b01e18d87df194ac219845de5cf (patch) | |
tree | 4b93064a7ec8b7de2cd515a692f11f0fc311b483 /pkg/sentry/fs/inode_operations.go | |
parent | 0f4be95a336bd5dbf214bc40eb5d1bbb5fce36a4 (diff) |
Implement fallocate(2)
Closes #225
PiperOrigin-RevId: 247508791
Change-Id: I04f47cf2770b30043e5a272aba4ba6e11d0476cc
Diffstat (limited to 'pkg/sentry/fs/inode_operations.go')
-rw-r--r-- | pkg/sentry/fs/inode_operations.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/fs/inode_operations.go b/pkg/sentry/fs/inode_operations.go index ac287e1e4..abafe4791 100644 --- a/pkg/sentry/fs/inode_operations.go +++ b/pkg/sentry/fs/inode_operations.go @@ -223,6 +223,10 @@ type InodeOperations interface { // Implementations need not check that length >= 0. Truncate(ctx context.Context, inode *Inode, size int64) error + // Allocate allows the caller to reserve disk space for the inode. + // It's equivalent to fallocate(2) with 'mode=0'. + Allocate(ctx context.Context, inode *Inode, offset int64, length int64) error + // WriteOut writes cached Inode state to a backing filesystem in a // synchronous manner. // |