From: Namjae Jeon Subject: [PATCH v8 10/11] xfstests: fsstress: Add fallocate insert range operation Date: Wed, 14 Jan 2015 01:05:25 +0900 Message-ID: <1421165126-3585-11-git-send-email-linkinjeon@gmail.com> References: <1421165126-3585-1-git-send-email-linkinjeon@gmail.com> Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, a.sangwan@samsung.com, bfoster@redhat.com, Namjae Jeon , Namjae Jeon To: david@fromorbit.com, tytso@mit.edu Return-path: In-Reply-To: <1421165126-3585-1-git-send-email-linkinjeon@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org From: Namjae Jeon This commit adds insert operation support for fsstress, which is meant to exercise fallocate FALLOC_FL_INSERT_RANGE support. Signed-off-by: Namjae Jeon Signed-off-by: Ashish Sangwan Reviewed-by: Brian Foster --- ltp/fsstress.c | 19 ++++++++++++++++--- src/global.h | 4 ++++ 2 files changed, 20 insertions(+), 3 deletions(-) diff --git a/ltp/fsstress.c b/ltp/fsstress.c index b56fe5c..aa3e0c3 100644 --- a/ltp/fsstress.c +++ b/ltp/fsstress.c @@ -72,6 +72,7 @@ typedef enum { OP_PUNCH, OP_ZERO, OP_COLLAPSE, + OP_INSERT, OP_READ, OP_READLINK, OP_RENAME, @@ -170,6 +171,7 @@ void mknod_f(int, long); void punch_f(int, long); void zero_f(int, long); void collapse_f(int, long); +void insert_f(int, long); void read_f(int, long); void readlink_f(int, long); void rename_f(int, long); @@ -209,6 +211,7 @@ opdesc_t ops[] = { { OP_PUNCH, "punch", punch_f, 1, 1 }, { OP_ZERO, "zero", zero_f, 1, 1 }, { OP_COLLAPSE, "collapse", collapse_f, 1, 1 }, + { OP_INSERT, "insert", insert_f, 1, 1 }, { OP_READ, "read", read_f, 1, 0 }, { OP_READLINK, "readlink", readlink_f, 1, 0 }, { OP_RENAME, "rename", rename_f, 2, 1 }, @@ -2176,6 +2179,7 @@ struct print_flags falloc_flags [] = { { FALLOC_FL_NO_HIDE_STALE, "NO_HIDE_STALE"}, { FALLOC_FL_COLLAPSE_RANGE, "COLLAPSE_RANGE"}, { FALLOC_FL_ZERO_RANGE, "ZERO_RANGE"}, + { FALLOC_FL_INSERT_RANGE, "INSERT_RANGE"}, { -1, NULL} }; @@ -2227,10 +2231,11 @@ do_fallocate(int opno, long r, int mode) off %= maxfsize; len = (off64_t)(random() % (1024 * 1024)); /* - * Collapse range requires off and len to be block aligned, make it - * more likely to be the case. + * Collapse/insert range requires off and len to be block aligned, + * make it more likely to be the case. */ - if ((mode & FALLOC_FL_COLLAPSE_RANGE) && (opno % 2)) { + if ((mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE)) && + (opno % 2)) { off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1)); } @@ -2656,6 +2661,14 @@ collapse_f(int opno, long r) } void +insert_f(int opno, long r) +{ +#ifdef HAVE_LINUX_FALLOC_H + do_fallocate(opno, r, FALLOC_FL_INSERT_RANGE); +#endif +} + +void read_f(int opno, long r) { char *buf; diff --git a/src/global.h b/src/global.h index 8180f66..f63246b 100644 --- a/src/global.h +++ b/src/global.h @@ -172,6 +172,10 @@ #define FALLOC_FL_ZERO_RANGE 0x10 #endif +#ifndef FALLOC_FL_INSERT_RANGE +#define FALLOC_FL_INSERT_RANGE 0x20 +#endif + #endif /* HAVE_LINUX_FALLOC_H */ #endif /* GLOBAL_H */ -- 1.7.9.5