[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [UNIKRAFT PATCH 03/10] lib/vfscore: Register `fallocate` to syscall_shim
Looks ok. Reviewed-by: Daniel Dinca <dincadaniel97@xxxxxxxxx> On 28.04.2020 15:07, Constantin Raducanu wrote: Registers `fallocate` system call to syscall_shim library. Signed-off-by: Constantin Raducanu <raducanu.costi@xxxxxxxxx> --- lib/vfscore/Makefile.uk | 1 + lib/vfscore/exportsyms.uk | 2 ++ lib/vfscore/main.c | 11 +++++------ 3 files changed, 8 insertions(+), 6 deletions(-) diff --git a/lib/vfscore/Makefile.uk b/lib/vfscore/Makefile.uk index da45140..1cae643 100644 --- a/lib/vfscore/Makefile.uk +++ b/lib/vfscore/Makefile.uk @@ -36,3 +36,4 @@ UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += ftruncate-2 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += truncate-2 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += access-2 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += faccessat-4 +UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += fallocate-4 diff --git a/lib/vfscore/exportsyms.uk b/lib/vfscore/exportsyms.uk index 41c8f3c..b897aa7 100644 --- a/lib/vfscore/exportsyms.uk +++ b/lib/vfscore/exportsyms.uk @@ -98,6 +98,8 @@ readlink uk_syscall_e_readlink uk_syscall_r_readlink fallocate +uk_syscall_e_fallocate +uk_syscall_r_fallocate lseek uk_syscall_e_lseek uk_syscall_r_lseek diff --git a/lib/vfscore/main.c b/lib/vfscore/main.c index 588c4eb..eb007b9 100644 --- a/lib/vfscore/main.c +++ b/lib/vfscore/main.c @@ -1785,7 +1785,7 @@ UK_TRACEPOINT(trace_vfs_fallocate, "%d %d 0x%x 0x%x", int, int, loff_t, loff_t); UK_TRACEPOINT(trace_vfs_fallocate_ret, ""); UK_TRACEPOINT(trace_vfs_fallocate_err, "%d", int);-int fallocate(int fd, int mode, loff_t offset, loff_t len)+UK_SYSCALL_R_DEFINE(int, fallocate, int, fd, int, mode, loff_t, offset, loff_t, len) { struct vfscore_file *fp; int error; @@ -1793,20 +1793,19 @@ int fallocate(int fd, int mode, loff_t offset, loff_t len) trace_vfs_fallocate(fd, mode, offset, len); error = fget(fd, &fp); if (error) - goto out_errno; + goto out_error;error = sys_fallocate(fp, mode, offset, len);fdrop(fp);if (error)- goto out_errno; + goto out_error; trace_vfs_fallocate_ret(); return 0;- out_errno:+ out_error: trace_vfs_fallocate_err(error); - errno = error; - return -1; + return -error; }LFS64(fallocate);
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