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Merge branch 'fix-cache-defrag' of https://github.com/Luflosi/kitty

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This commit is contained in:
Kovid Goyal 2022-01-27 07:49:54 +05:30
commit 0e1246c15b
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1 changed files with 15 additions and 6 deletions
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21
kitty/fast-file-copy.c
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@ -60,9 +60,12 @@ copy_with_sendfile(int infd, int outfd, off_t in_pos, size_t len, FastFileCopyBu
off_t r = in_pos;
ssize_t n = sendfile(outfd, infd, &r, len);
if (n < 0) {
if (errno != EAGAIN) return false;
if (errno == ENOSYS || errno == EPERM) return copy_with_buffer(infd, outfd, in_pos, len, fcb);
continue;
if (errno == EAGAIN) continue;
if (errno == ENOSYS || // No kernel support
errno == EPERM ||
errno == EINVAL) // ZFS for some reason
return copy_with_buffer(infd, outfd, in_pos, len, fcb);
return false;
}
if (n == 0) {
// happens if input file is truncated
@ -83,9 +86,15 @@ copy_with_file_range(int infd, int outfd, off_t in_pos, size_t len, FastFileCopy
off64_t r = in_pos;
ssize_t n = copy_file_range(infd, &r, outfd, NULL, len, 0);
if (n < 0) {
if (errno != EAGAIN) return false;
if (errno == ENOSYS || errno == EPERM) return copy_with_sendfile(infd, outfd, in_pos, len, fcb);
continue;
if (errno == EAGAIN) continue;
if (errno == ENOSYS || // Linux < 4.5
errno == EPERM || // Possibly Docker
errno == EINVAL || // ZFS for some reason
errno == EIO || // CIFS
errno == EOPNOTSUPP || // NFS
errno == EXDEV) // Prior to Linux 5.3, it was not possible to copy_file_range across file systems
return copy_with_sendfile(infd, outfd, in_pos, len, fcb);
return false;
}
if (n == 0) {
// happens if input file is truncated