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config: remove HAVE_KERNEL_(READ|WRITE)_PPOS

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Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #16479
This commit is contained in:
Rob Norris
2024-08-24 20:46:34 +10:00
committed by Tony Hutter
parent e2a58faf85
commit 2639abe1e8
4 changed files with 5 additions and 135 deletions
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module/os/linux/zfs/zfs_file_os.c
+4 -43
View File
@@ -69,26 +69,6 @@ zfs_file_close(zfs_file_t *fp)
filp_close(fp, 0);
}
static ssize_t
zfs_file_write_impl(zfs_file_t *fp, const void *buf, size_t count, loff_t *off)
{
#if defined(HAVE_KERNEL_WRITE_PPOS)
return (kernel_write(fp, buf, count, off));
#else
mm_segment_t saved_fs;
ssize_t rc;
saved_fs = get_fs();
set_fs(KERNEL_DS);
rc = vfs_write(fp, (__force const char __user __user *)buf, count, off);
set_fs(saved_fs);
return (rc);
#endif
}
/*
* Stateful write - use os internal file pointer to determine where to
* write and update on successful completion.
@@ -106,7 +86,7 @@ zfs_file_write(zfs_file_t *fp, const void *buf, size_t count, ssize_t *resid)
loff_t off = fp->f_pos;
ssize_t rc;
rc = zfs_file_write_impl(fp, buf, count, &off);
rc = kernel_write(fp, buf, count, &off);
if (rc < 0)
return (-rc);
@@ -138,7 +118,7 @@ zfs_file_pwrite(zfs_file_t *fp, const void *buf, size_t count, loff_t off,
{
ssize_t rc;
rc = zfs_file_write_impl(fp, buf, count, &off);
rc = kernel_write(fp, buf, count, &off);
if (rc < 0)
return (-rc);
@@ -151,25 +131,6 @@ zfs_file_pwrite(zfs_file_t *fp, const void *buf, size_t count, loff_t off,
return (0);
}
static ssize_t
zfs_file_read_impl(zfs_file_t *fp, void *buf, size_t count, loff_t *off)
{
#if defined(HAVE_KERNEL_READ_PPOS)
return (kernel_read(fp, buf, count, off));
#else
mm_segment_t saved_fs;
ssize_t rc;
saved_fs = get_fs();
set_fs(KERNEL_DS);
rc = vfs_read(fp, (void __user *)buf, count, off);
set_fs(saved_fs);
return (rc);
#endif
}
/*
* Stateful read - use os internal file pointer to determine where to
* read and update on successful completion.
@@ -187,7 +148,7 @@ zfs_file_read(zfs_file_t *fp, void *buf, size_t count, ssize_t *resid)
loff_t off = fp->f_pos;
ssize_t rc;
rc = zfs_file_read_impl(fp, buf, count, &off);
rc = kernel_read(fp, buf, count, &off);
if (rc < 0)
return (-rc);
@@ -219,7 +180,7 @@ zfs_file_pread(zfs_file_t *fp, void *buf, size_t count, loff_t off,
{
ssize_t rc;
rc = zfs_file_read_impl(fp, buf, count, &off);
rc = kernel_read(fp, buf, count, &off);
if (rc < 0)
return (-rc);