Index: samba/source/include/smbprofile.h =================================================================== RCS file: /cvsroot/samba/source/include/smbprofile.h,v retrieving revision 1.4.2.2 diff -u -r1.4.2.2 smbprofile.h --- samba/source/include/smbprofile.h 12 May 2003 01:20:12 -0000 1.4.2.2 +++ samba/source/include/smbprofile.h 16 Dec 2003 04:27:25 -0000 @@ -34,7 +34,7 @@ #define PROF_SHMEM_KEY ((key_t)0x07021999) #define PROF_SHM_MAGIC 0x6349985 -#define PROF_SHM_VERSION 7 +#define PROF_SHM_VERSION 8 /* time values in the following structure are in microseconds */ @@ -60,9 +60,15 @@ unsigned syscall_read_count; unsigned syscall_read_time; unsigned syscall_read_bytes; /* bytes read with read syscall */ + unsigned syscall_pread_count; + unsigned syscall_pread_time; + unsigned syscall_pread_bytes; /* bytes read with pread syscall */ unsigned syscall_write_count; unsigned syscall_write_time; unsigned syscall_write_bytes; /* bytes written with write syscall */ + unsigned syscall_pwrite_count; + unsigned syscall_pwrite_time; + unsigned syscall_pwrite_bytes; /* bytes written with pwrite syscall */ unsigned syscall_lseek_count; unsigned syscall_lseek_time; unsigned syscall_sendfile_count; Index: samba/source/include/vfs.h =================================================================== RCS file: /cvsroot/samba/source/include/vfs.h,v retrieving revision 1.25.2.10 diff -u -r1.25.2.10 vfs.h --- samba/source/include/vfs.h 7 Aug 2003 21:47:46 -0000 1.25.2.10 +++ samba/source/include/vfs.h 16 Dec 2003 04:27:25 -0000 @@ -51,7 +51,8 @@ /* Changed to version 7 to include the get_nt_acl info parameter. JRA. */ /* Changed to version 8 includes EA calls. JRA. */ /* Changed to version 9 to include the get_shadow_data call. --metze */ -#define SMB_VFS_INTERFACE_VERSION 9 +/* Changed to version 10 to include pread/pwrite calls. */ +#define SMB_VFS_INTERFACE_VERSION 10 /* to bug old modules witch are trying to compile with the old functions */ @@ -107,7 +108,9 @@ SMB_VFS_OP_OPEN, SMB_VFS_OP_CLOSE, SMB_VFS_OP_READ, + SMB_VFS_OP_PREAD, SMB_VFS_OP_WRITE, + SMB_VFS_OP_PWRITE, SMB_VFS_OP_LSEEK, SMB_VFS_OP_SENDFILE, SMB_VFS_OP_RENAME, @@ -213,7 +216,9 @@ int (*open)(struct vfs_handle_struct *handle, struct connection_struct *conn, const char *fname, int flags, mode_t mode); int (*close)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd); ssize_t (*read)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, void *data, size_t n); + ssize_t (*pread)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, void *data, size_t n, SMB_OFF_T offset); ssize_t (*write)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, const void *data, size_t n); + ssize_t (*pwrite)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, const void *data, size_t n, SMB_OFF_T offset); SMB_OFF_T (*lseek)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, SMB_OFF_T offset, int whence); ssize_t (*sendfile)(struct vfs_handle_struct *handle, int tofd, files_struct *fsp, int fromfd, const DATA_BLOB *header, SMB_OFF_T offset, size_t count); int (*rename)(struct vfs_handle_struct *handle, struct connection_struct *conn, const char *old, const char *new); @@ -311,7 +316,9 @@ struct vfs_handle_struct *open; struct vfs_handle_struct *close; struct vfs_handle_struct *read; + struct vfs_handle_struct *pread; struct vfs_handle_struct *write; + struct vfs_handle_struct *pwrite; struct vfs_handle_struct *lseek; struct vfs_handle_struct *sendfile; struct vfs_handle_struct *rename; Index: samba/source/include/vfs_macros.h =================================================================== RCS file: /cvsroot/samba/source/include/vfs_macros.h,v retrieving revision 1.1.2.11 diff -u -r1.1.2.11 vfs_macros.h --- samba/source/include/vfs_macros.h 7 Aug 2003 21:47:46 -0000 1.1.2.11 +++ samba/source/include/vfs_macros.h 16 Dec 2003 04:27:25 -0000 @@ -46,7 +46,9 @@ #define SMB_VFS_OPEN(conn, fname, flags, mode) ((conn)->vfs.ops.open((conn)->vfs.handles.open, (conn), (fname), (flags), (mode))) #define SMB_VFS_CLOSE(fsp, fd) ((fsp)->conn->vfs.ops.close((fsp)->conn->vfs.handles.close, (fsp), (fd))) #define SMB_VFS_READ(fsp, fd, data, n) ((fsp)->conn->vfs.ops.read((fsp)->conn->vfs.handles.read, (fsp), (fd), (data), (n))) +#define SMB_VFS_PREAD(fsp, fd, data, n, off) ((fsp)->conn->vfs.ops.pread((fsp)->conn->vfs.handles.pread, (fsp), (fd), (data), (n), (off))) #define SMB_VFS_WRITE(fsp, fd, data, n) ((fsp)->conn->vfs.ops.write((fsp)->conn->vfs.handles.write, (fsp), (fd), (data), (n))) +#define SMB_VFS_PWRITE(fsp, fd, data, n, off) ((fsp)->conn->vfs.ops.pwrite((fsp)->conn->vfs.handles.pwrite, (fsp), (fd), (data), (n), (off))) #define SMB_VFS_LSEEK(fsp, fd, offset, whence) ((fsp)->conn->vfs.ops.lseek((fsp)->conn->vfs.handles.lseek, (fsp), (fd), (offset), (whence))) #define SMB_VFS_SENDFILE(tofd, fsp, fromfd, header, offset, count) ((fsp)->conn->vfs.ops.sendfile((fsp)->conn->vfs.handles.sendfile, (tofd), (fsp), (fromfd), (header), (offset), (count))) #define SMB_VFS_RENAME(conn, old, new) ((conn)->vfs.ops.rename((conn)->vfs.handles.rename, (conn), (old), (new))) @@ -142,7 +144,9 @@ #define SMB_VFS_OPAQUE_OPEN(conn, fname, flags, mode) ((conn)->vfs_opaque.ops.open((conn)->vfs_opaque.handles.open, (conn), (fname), (flags), (mode))) #define SMB_VFS_OPAQUE_CLOSE(fsp, fd) ((fsp)->conn->vfs_opaque.ops.close((fsp)->conn->vfs_opaque.handles.close, (fsp), (fd))) #define SMB_VFS_OPAQUE_READ(fsp, fd, data, n) ((fsp)->conn->vfs_opaque.ops.read((fsp)->conn->vfs_opaque.handles.read, (fsp), (fd), (data), (n))) +#define SMB_VFS_OPAQUE_PREAD(fsp, fd, data, n, off) ((fsp)->conn->vfs_opaque.ops.pread((fsp)->conn->vfs_opaque.handles.pread, (fsp), (fd), (data), (n), (off))) #define SMB_VFS_OPAQUE_WRITE(fsp, fd, data, n) ((fsp)->conn->vfs_opaque.ops.write((fsp)->conn->vfs_opaque.handles.write, (fsp), (fd), (data), (n))) +#define SMB_VFS_OPAQUE_PWRITE(fsp, fd, data, n, off) ((fsp)->conn->vfs_opaque.ops.pwrite((fsp)->conn->vfs_opaque.handles.pwrite, (fsp), (fd), (data), (n), (off))) #define SMB_VFS_OPAQUE_LSEEK(fsp, fd, offset, whence) ((fsp)->conn->vfs_opaque.ops.lseek((fsp)->conn->vfs_opaque.handles.lseek, (fsp), (fd), (offset), (whence))) #define SMB_VFS_OPAQUE_SENDFILE(tofd, fsp, fromfd, header, offset, count) ((fsp)->conn->vfs_opaque.ops.sendfile((fsp)->conn->vfs_opaque.handles.sendfile, (tofd), (fsp), (fromfd), (header), (offset), (count))) #define SMB_VFS_OPAQUE_RENAME(conn, old, new) ((conn)->vfs_opaque.ops.rename((conn)->vfs_opaque.handles.rename, (conn), (old), (new))) @@ -238,7 +242,9 @@ #define SMB_VFS_NEXT_OPEN(handle, conn, fname, flags, mode) ((handle)->vfs_next.ops.open((handle)->vfs_next.handles.open, (conn), (fname), (flags), (mode))) #define SMB_VFS_NEXT_CLOSE(handle, fsp, fd) ((handle)->vfs_next.ops.close((handle)->vfs_next.handles.close, (fsp), (fd))) #define SMB_VFS_NEXT_READ(handle, fsp, fd, data, n) ((handle)->vfs_next.ops.read((handle)->vfs_next.handles.read, (fsp), (fd), (data), (n))) +#define SMB_VFS_NEXT_PREAD(handle, fsp, fd, data, n, off) ((handle)->vfs_next.ops.pread((handle)->vfs_next.handles.pread, (fsp), (fd), (data), (n), (off))) #define SMB_VFS_NEXT_WRITE(handle, fsp, fd, data, n) ((handle)->vfs_next.ops.write((handle)->vfs_next.handles.write, (fsp), (fd), (data), (n))) +#define SMB_VFS_NEXT_PWRITE(handle, fsp, fd, data, n, off) ((handle)->vfs_next.ops.pwrite((handle)->vfs_next.handles.pwrite, (fsp), (fd), (data), (n), (off))) #define SMB_VFS_NEXT_LSEEK(handle, fsp, fd, offset, whence) ((handle)->vfs_next.ops.lseek((handle)->vfs_next.handles.lseek, (fsp), (fd), (offset), (whence))) #define SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, fromfd, header, offset, count) ((handle)->vfs_next.ops.sendfile((handle)->vfs_next.handles.sendfile, (tofd), (fsp), (fromfd), (header), (offset), (count))) #define SMB_VFS_NEXT_RENAME(handle, conn, old, new) ((handle)->vfs_next.ops.rename((handle)->vfs_next.handles.rename, (conn), (old), (new))) Index: samba/source/lib/system.c =================================================================== RCS file: /cvsroot/samba/source/lib/system.c,v retrieving revision 1.78.2.9 diff -u -r1.78.2.9 system.c --- samba/source/lib/system.c 1 Oct 2003 17:01:21 -0000 1.78.2.9 +++ samba/source/lib/system.c 16 Dec 2003 04:27:26 -0000 @@ -100,6 +100,47 @@ return ret; } + +/******************************************************************* +A pread wrapper that will deal with EINTR and 64-bit file offsets. +********************************************************************/ + +#if defined(HAVE_PREAD) || defined(HAVE_PREAD64) +ssize_t sys_pread(int fd, void *buf, size_t count, SMB_OFF_T off) +{ + ssize_t ret; + + do { +#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_PREAD64) + ret = pread64(fd, buf, count, off); +#else + ret = pread(fd, buf, count, off); +#endif + } while (ret == -1 && errno == EINTR); + return ret; +} +#endif + +/******************************************************************* +A write wrapper that will deal with EINTR and 64-bit file offsets. +********************************************************************/ + +#if defined(HAVE_PWRITE) || defined(HAVE_PWRITE64) +ssize_t sys_pwrite(int fd, const void *buf, size_t count, SMB_OFF_T off) +{ + ssize_t ret; + + do { +#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_PWRITE64) + ret = pwrite64(fd, buf, count, off); +#else + ret = pwrite(fd, buf, count, off); +#endif + } while (ret == -1 && errno == EINTR); + return ret; +} +#endif + /******************************************************************* A send wrapper that will deal with EINTR. ********************************************************************/ Index: samba/source/smbd/fileio.c =================================================================== RCS file: /cvsroot/samba/source/smbd/fileio.c,v retrieving revision 1.40.2.11 diff -u -r1.40.2.11 fileio.c --- samba/source/smbd/fileio.c 2 Nov 2003 17:10:12 -0000 1.40.2.11 +++ samba/source/smbd/fileio.c 16 Dec 2003 04:27:26 -0000 @@ -95,16 +95,22 @@ flush_write_cache(fsp, READ_FLUSH); +#if !defined(HAVE_PREAD) && !defined(HAVE_PREAD64) if (seek_file(fsp,pos) == -1) { DEBUG(3,("read_file: Failed to seek to %.0f\n",(double)pos)); return(ret); } - +#endif + if (n > 0) { #ifdef DMF_FIX int numretries = 3; tryagain: +#if defined(HAVE_PREAD) || defined(HAVE_PREAD64) + readret = SMB_VFS_PREAD(fsp,fsp->fd,data,n,pos); +#else readret = SMB_VFS_READ(fsp,fsp->fd,data,n); +#endif if (readret == -1) { if ((errno == EAGAIN) && numretries) { DEBUG(3,("read_file EAGAIN retry in 10 seconds\n")); @@ -115,7 +121,11 @@ return -1; } #else /* NO DMF fix. */ +#if defined(HAVE_PREAD) || defined(HAVE_PREAD64) + readret = SMB_VFS_PREAD(fsp,fsp->fd,data,n,pos); +#else readret = SMB_VFS_READ(fsp,fsp->fd,data,n); +#endif if (readret == -1) return -1; #endif @@ -143,10 +153,17 @@ { ssize_t ret; +#if defined(HAVE_PREAD) || defined(HAVE_PREAD64) + if (pos == -1) + ret = vfs_write_data(fsp, data, n); + else + ret = vfs_pwrite_data(fsp, data, n, pos); +#else if ((pos != -1) && (seek_file(fsp,pos) == -1)) return -1; ret = vfs_write_data(fsp,data,n); +#endif DEBUG(10,("real_write_file (%s): pos = %.0f, size = %lu, returned %ld\n", fsp->fsp_name, (double)pos, (unsigned long)n, (long)ret )); Index: samba/source/smbd/vfs-wrap.c =================================================================== RCS file: /cvsroot/samba/source/smbd/vfs-wrap.c,v retrieving revision 1.37.2.13 diff -u -r1.37.2.13 vfs-wrap.c --- samba/source/smbd/vfs-wrap.c 21 Nov 2003 23:01:37 -0000 1.37.2.13 +++ samba/source/smbd/vfs-wrap.c 16 Dec 2003 04:27:27 -0000 @@ -190,6 +190,49 @@ return result; } +ssize_t vfswrap_pread(vfs_handle_struct * handle, + files_struct * fsp, + int fd, + void * data, + size_t n, + SMB_OFF_T offset) +{ + ssize_t result; + +#if defined(HAVE_PREAD) || defined(HAVE_PREAD64) + START_PROFILE_BYTES(syscall_pread, n); + result = sys_pread(fd, data, n, offset); + END_PROFILE(syscall_pread); + + if (result == -1 && errno == ESPIPE) { + /* Maintain the fiction that pipes can be seeked (sought?) on. */ + result = SMB_VFS_READ(fsp, fd, data, n); + } + +#else /* HAVE_PREAD */ + SMB_OFF_T curr; + int lerrno; + + curr = SMB_VFS_LSEEK(fsp, fd, 0, SEEK_CUR); + if (curr == -1) { + return -1; + } + + if (SMB_VFS_LSEEK(fsp, fd, offset, SEEK_SET) == -1) { + return -1; + } + + result = SMB_VFS_READ(fsp, fd, data, n); + lerrno = errno; + + SMB_VFS_LSEEK(fsp, fd, curr, SEEK_SET); + errno = lerrno; + +#endif /* HAVE_PREAD */ + + return result; +} + ssize_t vfswrap_write(vfs_handle_struct *handle, files_struct *fsp, int fd, const void *data, size_t n) { ssize_t result; @@ -197,6 +240,49 @@ START_PROFILE_BYTES(syscall_write, n); result = sys_write(fd, data, n); END_PROFILE(syscall_write); + return result; +} + +ssize_t vfswrap_pwrite(vfs_handle_struct * handle, + files_struct * fsp, + int fd, + const void * data, + size_t n, + SMB_OFF_T offset) +{ + ssize_t result; + +#if defined(HAVE_PWRITE) || defined(HAVE_PRWITE64) + START_PROFILE_BYTES(syscall_pwrite, n); + result = sys_pwrite(fd, data, n, offset); + END_PROFILE(syscall_pwrite); + + if (result == -1 && errno == ESPIPE) { + /* Maintain the fiction that pipes can be sought on. */ + result = SMB_VFS_WRITE(fsp, fd, data, n); + } + +#else /* HAVE_PWRITE */ + SMB_OFF_T curr; + int lerrno; + + curr = SMB_VFS_LSEEK(fsp, fd, 0, SEEK_CUR); + if (curr == -1) { + return -1; + } + + if (SMB_VFS_LSEEK(fsp, fd, offset, SEEK_SET) == -1) { + return -1; + } + + result = SMB_VFS_WRITE(fsp, fd, data, n); + lerrno = errno; + + SMB_VFS_LSEEK(fsp, fd, curr, SEEK_SET); + errno = lerrno; + +#endif /* HAVE_PWRITE */ + return result; } Index: samba/source/smbd/vfs.c =================================================================== RCS file: /cvsroot/samba/source/smbd/vfs.c,v retrieving revision 1.57.2.22 diff -u -r1.57.2.22 vfs.c --- samba/source/smbd/vfs.c 5 Sep 2003 19:59:55 -0000 1.57.2.22 +++ samba/source/smbd/vfs.c 16 Dec 2003 04:27:27 -0000 @@ -71,7 +71,9 @@ vfswrap_open, vfswrap_close, vfswrap_read, + vfswrap_pread, vfswrap_write, + vfswrap_pwrite, vfswrap_lseek, vfswrap_sendfile, vfswrap_rename, @@ -429,6 +431,28 @@ return (ssize_t)total; } +ssize_t vfs_pread_data(files_struct *fsp, char *buf, + size_t byte_count, SMB_OFF_T offset) +{ + size_t total=0; + + while (total < byte_count) + { + ssize_t ret = SMB_VFS_PREAD(fsp, fsp->fd, buf + total, + byte_count - total, offset + total); + + if (ret == 0) return total; + if (ret == -1) { + if (errno == EINTR) + continue; + else + return -1; + } + total += ret; + } + return (ssize_t)total; +} + /**************************************************************************** Write data to a fd on the vfs. ****************************************************************************/ @@ -451,6 +475,25 @@ return (ssize_t)total; } +ssize_t vfs_pwrite_data(files_struct *fsp,const char *buffer, + size_t N, SMB_OFF_T offset) +{ + size_t total=0; + ssize_t ret; + + while (total < N) { + ret = SMB_VFS_PWRITE(fsp, fsp->fd, buffer + total, + N - total, offset + total); + + if (ret == -1) + return -1; + if (ret == 0) + return total; + + total += ret; + } + return (ssize_t)total; +} /**************************************************************************** An allocate file space call using the vfs interface. Allocates space for a file from a filedescriptor. Index: samba/source/utils/status.c =================================================================== RCS file: /cvsroot/samba/source/utils/status.c,v retrieving revision 1.72.2.15 diff -u -r1.72.2.15 status.c --- samba/source/utils/status.c 12 Nov 2003 22:35:50 -0000 1.72.2.15 +++ samba/source/utils/status.c 16 Dec 2003 04:27:27 -0000 @@ -197,6 +197,12 @@ d_printf("write_count: %u\n", profile_p->syscall_write_count); d_printf("write_time: %u\n", profile_p->syscall_write_time); d_printf("write_bytes: %u\n", profile_p->syscall_write_bytes); + d_printf("pread_count: %u\n", profile_p->syscall_pread_count); + d_printf("pread_time: %u\n", profile_p->syscall_pread_time); + d_printf("pread_bytes: %u\n", profile_p->syscall_pread_bytes); + d_printf("pwrite_count: %u\n", profile_p->syscall_pwrite_count); + d_printf("pwrite_time: %u\n", profile_p->syscall_pwrite_time); + d_printf("pwrite_bytes: %u\n", profile_p->syscall_pwrite_bytes); #ifdef WITH_SENDFILE d_printf("sendfile_count: %u\n", profile_p->syscall_sendfile_count); d_printf("sendfile_time: %u\n", profile_p->syscall_sendfile_time);