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| author | Jeremy Allison <jra@samba.org> | 2007-04-06 21:12:44 +0000 |
|---|---|---|
| committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 12:19:13 -0500 |
| commit | 4c6dfcf95429f27a194e0d6b5ac568d94aa40adc (patch) | |
| tree | dc0b2dfb2b43e70cd89532a9476a4391d7c0b375 /source3/modules/vfs_readahead.c | |
| parent | ccb99cafa7c806906d1f35f9ee3dcd4e15e69204 (diff) | |
| download | samba-4c6dfcf95429f27a194e0d6b5ac568d94aa40adc.tar.gz samba-4c6dfcf95429f27a194e0d6b5ac568d94aa40adc.tar.xz samba-4c6dfcf95429f27a194e0d6b5ac568d94aa40adc.zip | |
r22111: Allow readahead params to use size suffixes as K,M, etc.
Jeremy.
(This used to be commit e296f07e1d3a14fe05a444ccdc752cd945fee5bc)
Diffstat (limited to 'source3/modules/vfs_readahead.c')
| -rw-r--r-- | source3/modules/vfs_readahead.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/source3/modules/vfs_readahead.c b/source3/modules/vfs_readahead.c index 5b08f004c44..2663326c994 100644 --- a/source3/modules/vfs_readahead.c +++ b/source3/modules/vfs_readahead.c @@ -28,6 +28,30 @@ static BOOL didmsg; * the buffer cache to be filled in advance. */ +static unsigned long get_offset_boundary(struct vfs_handle_struct *handle) +{ + SMB_OFF_T off_bound = conv_str_size(lp_parm_const_string(SNUM(handle->conn), + "readahead", + "offset", + NULL)); + if (off_bound == 0) { + off_bound = 0x80000; + } + return (unsigned long)off_bound; +} + +static unsigned long get_offset_length(struct vfs_handle_struct *handle, unsigned long def_val) +{ + SMB_OFF_T len = conv_str_size(lp_parm_const_string(SNUM(handle->conn), + "readahead", + "length", + NULL)); + if (len == 0) { + len = def_val; + } + return (unsigned long)len; +} + static ssize_t readahead_sendfile(struct vfs_handle_struct *handle, int tofd, files_struct *fsp, @@ -36,9 +60,9 @@ static ssize_t readahead_sendfile(struct vfs_handle_struct *handle, SMB_OFF_T offset, size_t count) { - unsigned long off_bound = lp_parm_ulong(SNUM(handle->conn), "readahead", "offset", 0x80000); + unsigned long off_bound = get_offset_boundary(handle); if ( offset % off_bound == 0) { - unsigned long len = lp_parm_ulong(SNUM(handle->conn), "readahead", "length", off_bound); + unsigned long len = get_offset_length(handle, off_bound); #if defined(HAVE_LINUX_READAHEAD) int err = readahead(fromfd, offset, (size_t)len); DEBUG(10,("readahead_sendfile: readahead on fd %u, offset %llu, len %u returned %d\n", @@ -76,9 +100,9 @@ static ssize_t readahead_pread(vfs_handle_struct *handle, size_t count, SMB_OFF_T offset) { - unsigned long off_bound = lp_parm_ulong(SNUM(handle->conn), "readahead", "offset", 0x80000); + unsigned long off_bound = get_offset_boundary(handle); if ( offset % off_bound == 0) { - unsigned long len = lp_parm_ulong(SNUM(handle->conn), "readahead", "length", off_bound); + unsigned long len = get_offset_length(handle, off_bound); #if defined(HAVE_LINUX_READAHEAD) int err = readahead(fd, offset, (size_t)len); DEBUG(10,("readahead_pread: readahead on fd %u, offset %llu, len %u returned %d\n", |